diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,8 @@
+## Changes in 0.12.3 [2023.07.12]
+ - This coincides with the `base-compat-batteries-0.12.3` release. Refer to the
+   [`base-compat-batteries` changelog](https://github.com/haskell-compat/base-compat/blob/master/base-compat-batteries/CHANGES.markdown#changes-in-0123-20230712)
+   for more details.
+
 ## Changes in 0.12.2 [2022.08.11]
  - Sync with `base-4.17`/GHC 9.4
  - Backport `(.^.)`, `(.>>.)`, `(.<<.)`, `(!>>.)`, `(!<<.)`, `oneBits` to
diff --git a/base-compat.cabal b/base-compat.cabal
--- a/base-compat.cabal
+++ b/base-compat.cabal
@@ -1,5 +1,5 @@
 name:             base-compat
-version:          0.12.2
+version:          0.12.3
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2012-2018 Simon Hengel,
@@ -44,6 +44,22 @@
                   anything in @base-compat-batteries@, to allow for easier
                   use in GHCi.
 extra-source-files: CHANGES.markdown, README.markdown
+tested-with:        GHC == 7.0.4
+                  , GHC == 7.2.2
+                  , GHC == 7.4.2
+                  , GHC == 7.6.3
+                  , GHC == 7.8.4
+                  , GHC == 7.10.3
+                  , GHC == 8.0.2
+                  , GHC == 8.2.2
+                  , GHC == 8.4.4
+                  , GHC == 8.6.5
+                  , GHC == 8.8.4
+                  , GHC == 8.10.7
+                  , GHC == 9.0.2
+                  , GHC == 9.2.7
+                  , GHC == 9.4.5
+                  , GHC == 9.6.2
 
 source-repository head
   type: git
diff --git a/src/Data/Tuple/Compat.hs b/src/Data/Tuple/Compat.hs
--- a/src/Data/Tuple/Compat.hs
+++ b/src/Data/Tuple/Compat.hs
@@ -8,8 +8,10 @@
   , curry
   , uncurry
   , swap
-#if MIN_VERSION_ghc_prim(0,7,0)
-  , Solo(..)
+#if MIN_VERSION_ghc_prim(0,10,0)
+  , Solo(MkSolo, Solo)
+#elif MIN_VERSION_ghc_prim(0,7,0)
+  , Solo(Solo)
 #endif
   ) where