diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,20 @@
 `stan` uses [PVP Versioning][1].
 The change log is available [on GitHub][2].
 
+## 0.2.0.0
+
+* Add the following inspections:
+
+    * Partial instance for 'Scientific' method 'GHC.Real.fromRational' (`stan0022`)
+    * Partial 'Scientific' function 'GHC.Real.realToFrac' (`stan0023`)
+    * Partial instance for 'Scientific' method 'GHC.Real.recip' (`stan0024`)
+    * Partial instance for 'Scientific' method 'GHC.Real.(/)' (`stan0025`)
+
+  Since these change the behaviour of `stan` by default this is a
+  major release.
+
+* Support GHC 9.12 (thanks to @ncaq)
+
 ## 0.1.3.0
 
 * Add prospective support for GHC 9.10
diff --git a/src/Stan/Ghc/Compat.hs b/src/Stan/Ghc/Compat.hs
--- a/src/Stan/Ghc/Compat.hs
+++ b/src/Stan/Ghc/Compat.hs
@@ -16,4 +16,6 @@
 import Stan.Ghc.Compat906 as Compat
 #elif __GLASGOW_HASKELL__ == 910
 import Stan.Ghc.Compat906 as Compat
+#elif __GLASGOW_HASKELL__ == 912
+import Stan.Ghc.Compat906 as Compat
 #endif
diff --git a/src/Stan/Ghc/Compat906.hs b/src/Stan/Ghc/Compat906.hs
--- a/src/Stan/Ghc/Compat906.hs
+++ b/src/Stan/Ghc/Compat906.hs
@@ -4,7 +4,7 @@
 {-# OPTIONS_GHC -Wno-orphans #-}
 
 module Stan.Ghc.Compat906
-#if __GLASGOW_HASKELL__ == 906 || __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__ == 910
+#if __GLASGOW_HASKELL__ == 906 || __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__ == 910 || __GLASGOW_HASKELL__ == 912
     ( -- * Modules
       Module
     , ModuleName
diff --git a/src/Stan/Hie/Compat.hs b/src/Stan/Hie/Compat.hs
--- a/src/Stan/Hie/Compat.hs
+++ b/src/Stan/Hie/Compat.hs
@@ -16,4 +16,6 @@
 import Stan.Hie.Compat904 as Compat
 #elif __GLASGOW_HASKELL__ == 910
 import Stan.Hie.Compat904 as Compat
+#elif __GLASGOW_HASKELL__ == 912
+import Stan.Hie.Compat904 as Compat
 #endif
diff --git a/src/Stan/Hie/Compat904.hs b/src/Stan/Hie/Compat904.hs
--- a/src/Stan/Hie/Compat904.hs
+++ b/src/Stan/Hie/Compat904.hs
@@ -1,7 +1,7 @@
 {-# LANGUAGE CPP #-}
 
 module Stan.Hie.Compat904
-#if __GLASGOW_HASKELL__ == 904 || __GLASGOW_HASKELL__ == 906 || __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__== 910
+#if __GLASGOW_HASKELL__ == 904 || __GLASGOW_HASKELL__ == 906 || __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__== 910 || __GLASGOW_HASKELL__== 912
     ( -- * Main HIE types
       ContextInfo (..)
     , HieArgs (..)
@@ -108,4 +108,3 @@
 #else
   () where
 #endif
-
diff --git a/src/Stan/Hie/Debug.hs b/src/Stan/Hie/Debug.hs
--- a/src/Stan/Hie/Debug.hs
+++ b/src/Stan/Hie/Debug.hs
@@ -16,4 +16,6 @@
 import Stan.Hie.Debug908 as Compat
 #elif __GLASGOW_HASKELL__ == 910
 import Stan.Hie.Debug908 as Compat
+#elif __GLASGOW_HASKELL__ == 912
+import Stan.Hie.Debug908 as Compat
 #endif
diff --git a/src/Stan/Hie/Debug908.hs b/src/Stan/Hie/Debug908.hs
--- a/src/Stan/Hie/Debug908.hs
+++ b/src/Stan/Hie/Debug908.hs
@@ -21,7 +21,7 @@
 -}
 
 module Stan.Hie.Debug908
-#if __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__ == 910
+#if __GLASGOW_HASKELL__ == 908 || __GLASGOW_HASKELL__ == 910 || __GLASGOW_HASKELL__ == 912
     ( debugHieFile
     ) where
 
diff --git a/src/Stan/Inspection/Partial.hs b/src/Stan/Inspection/Partial.hs
--- a/src/Stan/Inspection/Partial.hs
+++ b/src/Stan/Inspection/Partial.hs
@@ -56,7 +56,14 @@
     , stan0020
       -- *** Partial instance for 'Natural' method 'GHC.Num.fromInteger'
     , stan0021
-
+      -- *** Partial instance for 'Scientific' method 'GHC.Real.fromRational'
+    , stan0022
+      -- *** Partial 'Scientific' function 'GHC.Real.realToFrac'
+    , stan0023
+      -- *** Partial instance for 'Scientific' method 'GHC.Real.recip'
+    , stan0024
+      -- *** Partial instance for 'Scientific' method 'GHC.Real.(/)'
+    , stan0025
       -- * List of all partial 'Inspection's
     , partialInspectionsMap
     ) where
@@ -73,7 +80,7 @@
 import Stan.Pattern.Ast (PatternAst (PatternAstName), namesToPatternAst)
 import Stan.Pattern.Edsl (PatternBool (..))
 import Stan.Pattern.Type (PatternType (..), integerPattern, listFunPattern, listPattern,
-                          naturalPattern, nonEmptyPattern, (|->))
+                          naturalPattern, nonEmptyPattern, rationalPattern, scientificPattern, (|->))
 import Stan.Severity (Severity (..))
 
 import qualified Stan.Category as Category
@@ -103,6 +110,10 @@
     , stan0019
     , stan0020
     , stan0021
+    , stan0022
+    , stan0023
+    , stan0024
+    , stan0025
     ]
 
 -- | Smart constructor to create generic partial 'Inspection' with a given 'Pattern'.
@@ -314,3 +325,65 @@
 #endif
     (integerPattern |-> naturalPattern)
     ""
+
+-- | 'Inspection' — partial 'GHC.Real.fromRational' @STAN-0022@.
+stan0022 :: Inspection
+stan0022 = mkPartialInspectionPattern
+    (Id "STAN-0022")
+#if __GLASGOW_HASKELL__ < 910
+    ("fromRational" `_nameFrom` "GHC.Real")
+#else
+    ("fromRational" `_nameFrom` "GHC.Internal.Real")
+#endif
+    (rationalPattern |-> scientificPattern)
+    "Scientific"
+    & solutionL .~
+        [ "Use a function like 'Data.Scientific.fromRationalRepetend' that handles repeating decimals"
+        , "Convert to a fractional type like 'Double'"
+        ]
+
+-- | 'Inspection' — partial 'GHC.Real.realToFrac' @STAN-0023@.
+stan0023 :: Inspection
+stan0023 = mkPartialInspectionPattern
+    (Id "STAN-0023")
+#if __GLASGOW_HASKELL__ < 910
+    ("realToFrac" `_nameFrom` "GHC.Real")
+#else
+    ("realToFrac" `_nameFrom` "GHC.Internal.Real")
+#endif
+    ((?) |-> scientificPattern)
+    "Scientific"
+    & solutionL .~
+        [ "Use 'Data.Scientific.fromFloatDigits'"
+        , "use a function that handles repeating decimals, e.g. 'Data.Scientific.fromRationalRepetend . toRational'"
+        ]
+
+-- | 'Inspection' - partial 'GHC.Real.recip' @STAN-0024@
+stan0024 :: Inspection
+stan0024 = mkPartialInspectionPattern
+    (Id "STAN-0024")
+#if __GLASGOW_HASKELL__ < 910
+    ("recip" `_nameFrom` "GHC.Real")
+#else
+    ("recip" `_nameFrom` "GHC.Internal.Real")
+#endif
+    (scientificPattern |-> scientificPattern)
+    "Scientific"
+    & solutionL .~
+        [ "Convert to a fractional type like 'Double'"
+        ]
+
+-- | 'Inspection' - partial 'GHC.Real.(/)' @STAN-0025@
+stan0025 :: Inspection
+stan0025 = mkPartialInspectionPattern
+    (Id "STAN-0025")
+#if __GLASGOW_HASKELL__ < 910
+    ("/" `_nameFrom` "GHC.Real")
+#else
+    ("/" `_nameFrom` "GHC.Internal.Real")
+#endif
+    (scientificPattern |-> scientificPattern |-> scientificPattern)
+    "Scientific"
+    & solutionL .~
+        [ "Convert to a fractional type like 'Double'"
+        ]
diff --git a/src/Stan/Pattern/Type.hs b/src/Stan/Pattern/Type.hs
--- a/src/Stan/Pattern/Type.hs
+++ b/src/Stan/Pattern/Type.hs
@@ -24,6 +24,8 @@
     , listFunPattern
     , integerPattern
     , naturalPattern
+    , rationalPattern
+    , scientificPattern
 
       -- ** Textual types
     , charPattern
@@ -157,6 +159,24 @@
     } |:: []
 
 #endif
+
+rationalPattern :: PatternType
+rationalPattern =
+  "Rational" `_nameFrom` moduleName |:: []
+  where
+    moduleName =
+#if __GLASGOW_HASKELL__ >= 910
+      "GHC.Internal.Real"
+#else
+      "GHC.Real"
+#endif
+
+scientificPattern :: PatternType
+scientificPattern = NameMeta
+    { nameMetaName = "Scientific"
+    , nameMetaModuleName = "Data.Scientific"
+    , nameMetaPackage = "scientific"
+    } |:: []
 
 charPattern :: PatternType
 charPattern = primTypeMeta "Char" |:: []
diff --git a/stack-ghc-9.4.8.yaml b/stack-ghc-9.4.8.yaml
--- a/stack-ghc-9.4.8.yaml
+++ b/stack-ghc-9.4.8.yaml
@@ -1,11 +1,11 @@
-resolver: lts-21.25 # GHC 9.4.8
+snapshot: lts-21.25 # GHC 9.4.8
 
 extra-deps:
-- clay-0.14.0@sha256:a50ba73137a39c55e89f24a7792107ec40ba07320b2c5ff7932049845c50ffc9,2204
+- clay-0.15.0@sha256:33a5b5d30186b03a32b66e9391e7ee9a213084643b583444038ba8f96223da78,2269
 - dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
 - extensions-0.1.0.0@sha256:b8105dc43a57b0b3b54879e8dbb905676dfee3e8b59301fefbf2409a0fe95710,4447
-- tomland-1.3.3.2@sha256:887dc39a8c9819deb8fcb6fde72e87dad4c94108b1736a5bf7215ccf3117bd0f,9474
-- trial-0.0.0.0@sha256:ebd93f3485dd7f0ce8426fa46b500f26edbea285c2890150123e1b0f6a92c7db,4410
-- trial-optparse-applicative-0.0.0.0@sha256:ee878dbf412849d4fb52d7bca93bec45a6392a93e03a46bd320109b9a0ff2a38,2540
-- trial-tomland-0.0.0.0@sha256:c10c5c3f94e3dcfcad4a66cf70682ace77d5381596aff91fa2030636d07de977,2541
-- validation-selective-0.2.0.0@sha256:e1ab5482dede8bf676d729a09109c7c5f798363b9d458e4197a27afb8b48fdd3,3907
+- tomland-1.3.3.3@sha256:877635f30fc7eeebc7b79283baeec1b7904365973cc3fd98c86f9d147eeef575,9147
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
+- validation-selective-0.2.0.0@sha256:cc847f1a110e3b1bd437a5356f115881b61cafcb11781b570b180efd88bf0907,3917
diff --git a/stack-ghc-9.6.3.yaml b/stack-ghc-9.6.3.yaml
--- a/stack-ghc-9.6.3.yaml
+++ b/stack-ghc-9.6.3.yaml
@@ -1,12 +1,12 @@
-resolver: lts-22.6 # GHC 9.6.3
+snapshot: lts-22.6 # GHC 9.6.3
 
 extra-deps:
 - ansi-wl-pprint-0.6.9@sha256:fb737bc96e2aef34ad595d54ced7a73f648c521ebcb00fe0679aff45ccd49212,2448
 - dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
 - extensions-0.1.0.1@sha256:131270f3dd3adfa96e48259a200b7303c4f8211f54bff168fb8020dfef2aaec7,5269
 - optparse-applicative-0.17.1.0@sha256:cb5f5f0dc9749846fc0e3df0041a8efee6368cc1cff07336acd4c3b02a951ed6,5147
-- tomland-1.3.3.2@sha256:887dc39a8c9819deb8fcb6fde72e87dad4c94108b1736a5bf7215ccf3117bd0f,9474
-- trial-0.0.0.0@sha256:ebd93f3485dd7f0ce8426fa46b500f26edbea285c2890150123e1b0f6a92c7db,4410
-- trial-optparse-applicative-0.0.0.0@sha256:ee878dbf412849d4fb52d7bca93bec45a6392a93e03a46bd320109b9a0ff2a38,2540
-- trial-tomland-0.0.0.0@sha256:c10c5c3f94e3dcfcad4a66cf70682ace77d5381596aff91fa2030636d07de977,2541
-- validation-selective-0.2.0.0@sha256:e1ab5482dede8bf676d729a09109c7c5f798363b9d458e4197a27afb8b48fdd3,3907
+- tomland-1.3.3.3@sha256:877635f30fc7eeebc7b79283baeec1b7904365973cc3fd98c86f9d147eeef575,9147
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
+- validation-selective-0.2.0.0@sha256:cc847f1a110e3b1bd437a5356f115881b61cafcb11781b570b180efd88bf0907,3917
diff --git a/stack-ghc-9.6.4.yaml b/stack-ghc-9.6.4.yaml
--- a/stack-ghc-9.6.4.yaml
+++ b/stack-ghc-9.6.4.yaml
@@ -1,12 +1,12 @@
-resolver: lts-22.20 # GHC 9.6.4
+snapshot: lts-22.20 # GHC 9.6.4
 
 extra-deps:
 - ansi-wl-pprint-0.6.9@sha256:fb737bc96e2aef34ad595d54ced7a73f648c521ebcb00fe0679aff45ccd49212,2448
 - dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
 - extensions-0.1.0.1@sha256:131270f3dd3adfa96e48259a200b7303c4f8211f54bff168fb8020dfef2aaec7,5269
 - optparse-applicative-0.17.1.0@sha256:cb5f5f0dc9749846fc0e3df0041a8efee6368cc1cff07336acd4c3b02a951ed6,5147
-- tomland-1.3.3.2@sha256:887dc39a8c9819deb8fcb6fde72e87dad4c94108b1736a5bf7215ccf3117bd0f,9474
-- trial-0.0.0.0@sha256:ebd93f3485dd7f0ce8426fa46b500f26edbea285c2890150123e1b0f6a92c7db,4410
-- trial-optparse-applicative-0.0.0.0@sha256:ee878dbf412849d4fb52d7bca93bec45a6392a93e03a46bd320109b9a0ff2a38,2540
-- trial-tomland-0.0.0.0@sha256:c10c5c3f94e3dcfcad4a66cf70682ace77d5381596aff91fa2030636d07de977,2541
-- validation-selective-0.2.0.0@sha256:e1ab5482dede8bf676d729a09109c7c5f798363b9d458e4197a27afb8b48fdd3,3907
+- tomland-1.3.3.3@sha256:877635f30fc7eeebc7b79283baeec1b7904365973cc3fd98c86f9d147eeef575,9147
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
+- validation-selective-0.2.0.0@sha256:cc847f1a110e3b1bd437a5356f115881b61cafcb11781b570b180efd88bf0907,3917
diff --git a/stack-ghc-9.6.5.yaml b/stack-ghc-9.6.5.yaml
new file mode 100644
--- /dev/null
+++ b/stack-ghc-9.6.5.yaml
@@ -0,0 +1,12 @@
+snapshot: lts-22.27 # GHC 9.6.5
+
+extra-deps:
+- ansi-wl-pprint-0.6.9@sha256:fb737bc96e2aef34ad595d54ced7a73f648c521ebcb00fe0679aff45ccd49212,2448
+- dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
+- extensions-0.1.0.1@sha256:131270f3dd3adfa96e48259a200b7303c4f8211f54bff168fb8020dfef2aaec7,5269
+- optparse-applicative-0.17.1.0@sha256:cb5f5f0dc9749846fc0e3df0041a8efee6368cc1cff07336acd4c3b02a951ed6,5147
+- tomland-1.3.3.3@sha256:877635f30fc7eeebc7b79283baeec1b7904365973cc3fd98c86f9d147eeef575,9147
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
+- validation-selective-0.2.0.0@sha256:cc847f1a110e3b1bd437a5356f115881b61cafcb11781b570b180efd88bf0907,3917
diff --git a/stack-ghc-9.6.6.yaml b/stack-ghc-9.6.6.yaml
new file mode 100644
--- /dev/null
+++ b/stack-ghc-9.6.6.yaml
@@ -0,0 +1,12 @@
+snapshot: lts-22.43 # GHC 9.6.6
+
+extra-deps:
+- ansi-wl-pprint-0.6.9@sha256:fb737bc96e2aef34ad595d54ced7a73f648c521ebcb00fe0679aff45ccd49212,2448
+- dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
+- extensions-0.1.0.1@sha256:131270f3dd3adfa96e48259a200b7303c4f8211f54bff168fb8020dfef2aaec7,5269
+- optparse-applicative-0.17.1.0@sha256:cb5f5f0dc9749846fc0e3df0041a8efee6368cc1cff07336acd4c3b02a951ed6,5147
+- tomland-1.3.3.3@sha256:877635f30fc7eeebc7b79283baeec1b7904365973cc3fd98c86f9d147eeef575,9147
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
+- validation-selective-0.2.0.0@sha256:cc847f1a110e3b1bd437a5356f115881b61cafcb11781b570b180efd88bf0907,3917
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,12 +1,14 @@
-resolver: lts-22.21 # GHC 9.6.5
+snapshot: lts-23.0 # GHC 9.8.4
 
 extra-deps:
 - ansi-wl-pprint-0.6.9@sha256:fb737bc96e2aef34ad595d54ced7a73f648c521ebcb00fe0679aff45ccd49212,2448
+- ansi-terminal-1.0.2@sha256:1f90bb88e670ce63fbf2c9216d50857f2419582f1c6791e542c3eab97ecfd364,2897
+- ansi-terminal-types-0.11.5@sha256:f78440dfd95c4509e88855ac7cc2d9566ddf956a92c1290404cac93ad1a1b00a,1482
 - dir-traverse-0.2.3.0@sha256:adcc128f201ff95131b15ffe41365dc99c50dc3fa3a910f021521dc734013bfa,2137
 - extensions-0.1.0.1@sha256:131270f3dd3adfa96e48259a200b7303c4f8211f54bff168fb8020dfef2aaec7,5269
+- hedgehog-1.4@sha256:9860ab34ab3951d9515c71b777d8c9c47610aae7339933e17d26ad9a4afa5618,4754
+- hspec-hedgehog-0.1.1.0
 - optparse-applicative-0.17.1.0@sha256:cb5f5f0dc9749846fc0e3df0041a8efee6368cc1cff07336acd4c3b02a951ed6,5147
-- tomland-1.3.3.2@sha256:887dc39a8c9819deb8fcb6fde72e87dad4c94108b1736a5bf7215ccf3117bd0f,9474
-- trial-0.0.0.0@sha256:ebd93f3485dd7f0ce8426fa46b500f26edbea285c2890150123e1b0f6a92c7db,4410
-- trial-optparse-applicative-0.0.0.0@sha256:ee878dbf412849d4fb52d7bca93bec45a6392a93e03a46bd320109b9a0ff2a38,2540
-- trial-tomland-0.0.0.0@sha256:c10c5c3f94e3dcfcad4a66cf70682ace77d5381596aff91fa2030636d07de977,2541
-- validation-selective-0.2.0.0@sha256:e1ab5482dede8bf676d729a09109c7c5f798363b9d458e4197a27afb8b48fdd3,3907
+- trial-0.0.0.0@sha256:eaefa22bf10b04a9149ef0231cfd5e42ff47534221d4cf4ad3d7653090c54d23,4410
+- trial-optparse-applicative-0.0.0.0@sha256:3ca376f1361a3b623a52b8db8e178cdca5f2e6e3954d217b874a9af823ab6c06,2540
+- trial-tomland-0.0.0.0@sha256:5dc32bd4003dc84565170e316576eb7a0c1cea3e8b8b3815d5f509b4a40577fd,2541
diff --git a/stan.cabal b/stan.cabal
--- a/stan.cabal
+++ b/stan.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                stan
-version:             0.1.3.0
+version:             0.2.0.0
 synopsis:            Haskell STatic ANalyser
 description:
     Stan is a Haskell __ST__atic __AN__alysis CLI tool.
@@ -21,6 +21,8 @@
                      stack-ghc-9.4.8.yaml
                      stack-ghc-9.6.3.yaml
                      stack-ghc-9.6.4.yaml
+                     stack-ghc-9.6.5.yaml
+                     stack-ghc-9.6.6.yaml
                      stack.yaml
 tested-with:         GHC == 8.8.4
                      GHC == 8.10.7
@@ -30,7 +32,7 @@
   location:            https://github.com/kowainik/stan.git
 
 common common-options
-  build-depends:       base >= 4.13 && < 4.21 && (< 4.16.3.0 || >= 4.17)
+  build-depends:       base >= 4.13 && < 4.22 && (< 4.16.3.0 || >= 4.17)
                        -- ^^ .hie files don't contain enough type
                        -- information on ghc-9.2.[4-8] (base >=
                        -- 4.16.3.0 && < 4.17)
@@ -149,8 +151,8 @@
                      , directory ^>= 1.3
                      , extensions ^>= 0.0.0.1 || ^>= 0.1.0.0
                      , filepath >= 1.4 && < 1.6
-                     , ghc >= 8.8 && < 9.11
-                     , ghc-boot-th >= 8.8 && < 9.11
+                     , ghc >= 8.8 && < 9.13
+                     , ghc-boot-th >= 8.8 && < 9.13
                      , gitrev ^>= 1.3.1
                      , microaeson ^>= 0.1.0.0
                      , optparse-applicative >= 0.15 && < 0.19
@@ -173,6 +175,7 @@
   hs-source-dirs:      target
   build-depends:       bytestring
                      , filepath
+                     , scientific
                      , text
                      , unordered-containers
   exposed-modules:     Target.AntiPattern
@@ -208,7 +211,7 @@
                      , containers
                      , filepath
                      , ghc
-                     , hedgehog >= 1.0 && < 1.5
+                     , hedgehog >= 1.0 && < 1.6
                      , hspec >= 2.7 && < 2.12
                      , hspec-hedgehog >= 0.0.1.2
                      , optparse-applicative
diff --git a/target/Target/Partial.hs b/target/Target/Partial.hs
--- a/target/Target/Partial.hs
+++ b/target/Target/Partial.hs
@@ -8,6 +8,7 @@
 import Data.Maybe (fromJust)
 import GHC.Exts (fromList)
 import Numeric.Natural (Natural)
+import Data.Scientific (Scientific)
 
 import qualified Data.List.NonEmpty as NE
 
@@ -74,6 +75,18 @@
 
 stanFromInteger :: Integer -> Natural
 stanFromInteger = fromInteger
+
+stanFromRational :: Rational -> Scientific
+stanFromRational = fromRational
+
+stanRealToFrac :: Real a => a -> Scientific
+stanRealToFrac = realToFrac
+
+stanRecip :: Scientific -> Scientific
+stanRecip = recip
+
+stanDivide :: Scientific -> Scientific -> Scientific
+stanDivide a b = a / b
 
 -- Other tests
 
diff --git a/test/Test/Stan/Analysis.hs b/test/Test/Stan/Analysis.hs
--- a/test/Test/Stan/Analysis.hs
+++ b/test/Test/Stan/Analysis.hs
@@ -57,7 +57,7 @@
     :: ([Id Observation] -> Analysis)  -- ^ Run analysis with ignored observations
     -> Spec
 analysisIgnoredObservationsSpec analyse = describe "Ignores observations" $ do
-    let obsId = Id "OBS-STAN-0001-pnvTKA-16:12"
+    let obsId = Id "OBS-STAN-0001-pnvTKA-17:12"
 
     it "ObservationId is present when not ignored " $ do
         let observationsIds = fmap observationId $ analysisObservations $ analyse []
diff --git a/test/Test/Stan/Analysis/Partial.hs b/test/Test/Stan/Analysis/Partial.hs
--- a/test/Test/Stan/Analysis/Partial.hs
+++ b/test/Test/Stan/Analysis/Partial.hs
@@ -18,18 +18,18 @@
 
 analysisPartialSpec :: Analysis -> Spec
 analysisPartialSpec analysis = describe "Partial functions" $ do
-    forM_ (zip (sortById partialInspectionsMap) [16, 19 ..]) checkObservation
+    forM_ (zip (sortById partialInspectionsMap) [17, 20 ..]) checkObservation
 
     let noObservation = noObservationAssert ["Partial"] analysis
 
     it "STAN-0010: doesn't trigger on 'succ :: Natural -> Natural'" $
-        noObservation Partial.stan0010 81
+        noObservation Partial.stan0010 94
     it "STAN-0011: doesn't trigger on 'pred :: Integer -> Integer'" $
-        noObservation Partial.stan0011 84
+        noObservation Partial.stan0011 97
     it "STAN-0011: triggers on polymorphic 'pred :: Enum a => a -> a'" $
-        checkObservationFor Partial.stan0011 87 16 20
+        checkObservationFor Partial.stan0011 100 16 20
     it "STAN-0020: triggers on 'Data.List.NonEmpty.fromList'" $
-        checkObservationFor Partial.stan0020 90 18 29
+        checkObservationFor Partial.stan0020 103 18 29
 
   where
     checkObservation :: (Inspection, Int) -> SpecWith (Arg Expectation)
@@ -41,7 +41,10 @@
 
         funLen, start, end :: Int
         funLen = T.length $ nameMetaName nameMeta
-        start = if nameMetaName nameMeta == "!!" then funLen + 14 else funLen + 8
+        start = funLen + case nameMetaName nameMeta of
+          "!!" -> 14
+          "/" -> 19
+          _ -> 8
         end = start + funLen
 
     checkObservationFor :: Inspection -> Int -> Int -> Int -> Expectation
diff --git a/test/Test/Stan/Number.hs b/test/Test/Stan/Number.hs
--- a/test/Test/Stan/Number.hs
+++ b/test/Test/Stan/Number.hs
@@ -12,7 +12,7 @@
 linesOfCodeSpec :: HieFile -> Spec
 linesOfCodeSpec hieFile = describe "LoC tests" $
     it "should count lines of code in the example file" $
-        countLinesOfCode hieFile `shouldBe` 90
+        countLinesOfCode hieFile `shouldBe` 103
 
 modulesNumSpec :: Int -> Spec
 modulesNumSpec num = describe "Modules number tests" $
