diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+2023-12-21 Ivan Perez <ivan.perez@keera.co.uk>
+        * Version bump (0.12.1) (#395).
+        * Remove postgresql repo before installation in CI script (#392).
+        * Add version bounds to dependencies (#393).
+        * Mark package as uncurated (#394).
+        * Fix typo in CHANGELOG (#396).
+
 2023-10-21 Ivan Perez <ivan.perez@keera.co.uk>
         * Version bump (0.12.0) (#388).
         * Increase max-backjumps in CI setup (#381).
diff --git a/dunai.cabal b/dunai.cabal
--- a/dunai.cabal
+++ b/dunai.cabal
@@ -30,7 +30,7 @@
 build-type:    Simple
 
 name:          dunai
-version:       0.12.0
+version:       0.12.1
 author:        Ivan Perez, Manuel Bärenz
 maintainer:    ivan.perez@keera.co.uk
 homepage:      https://github.com/ivanperez-keera/dunai
@@ -72,6 +72,9 @@
   (mirror: <http://ivanperez.io/#FRPRefactored>).
 
 
+x-curation: uncurated
+
+
 extra-source-files:
   CHANGELOG
 
@@ -141,8 +144,8 @@
   if impl(ghc <= 7.8.4)
     build-depends:
         MonadRandom         >= 0.2 && < 0.6
-      , transformers-compat
-      , void
+      , transformers-compat >= 0.3 && < 0.8
+      , void                >= 0.1 && < 0.8
 
 test-suite hlint
   type:
@@ -162,8 +165,8 @@
       False
   else
     build-depends:
-        base
-      , hlint >= 1.7
+        base  >= 4   && < 5
+      , hlint >= 1.7 && < 3.7
 
 -- Verify that the code is thoroughly documented
 test-suite haddock-coverage
@@ -187,11 +190,11 @@
       False
   else
     build-depends:
-        base >= 4 && < 5
-      , directory
-      , filepath
-      , process
-      , regex-posix
+        base           >= 4       && < 5
+      , directory      >= 1.2     && < 1.4
+      , filepath       >= 1.3.0.1 && < 1.5
+      , process        >= 1.1.0.2 && < 1.7
+      , regex-posix    >= 0.95    && < 0.97
 
 
 test-suite regression-tests
@@ -211,10 +214,10 @@
     -Wall
 
   build-depends:
-      base >= 4 && <5
-    , transformers
-    , tasty
-    , tasty-hunit
+      base         >= 4   && < 5
+    , transformers >= 0.3 && < 0.7
+    , tasty        >= 0.1 && < 1.5
+    , tasty-hunit  >= 0.8 && < 0.11
 
     , dunai
 
@@ -227,7 +230,7 @@
     Bench.hs
 
   build-depends:
-       base      < 5
+       base      >= 4       && < 5
      , criterion >= 0.5.0.0 && < 1.7
      , filepath  >= 1.3.0.1 && < 1.5
      , time      >= 1.4     && < 1.13