diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.3.0.8
+
+- Revised upper bounds for package dependencies.
+
 # 0.3.0.7
 
 - Added support for GHC `9.14`.
diff --git a/quickcheck-monoid-subclasses.cabal b/quickcheck-monoid-subclasses.cabal
--- a/quickcheck-monoid-subclasses.cabal
+++ b/quickcheck-monoid-subclasses.cabal
@@ -1,6 +1,6 @@
 cabal-version:  3.0
 name:           quickcheck-monoid-subclasses
-version:        0.3.0.7
+version:        0.3.0.8
 bug-reports:    https://github.com/jonathanknowles/quickcheck-monoid-subclasses/issues
 license:        Apache-2.0
 license-file:   LICENSE
@@ -35,7 +35,7 @@
 common dependency-pretty-show
     build-depends:pretty-show                 >= 1.10         && < 1.11
 common dependency-QuickCheck
-    build-depends:QuickCheck                  >= 2.14.2       && < 2.19
+    build-depends:QuickCheck                  >= 2.14.2       && < 2.20
 common dependency-quickcheck-classes
     build-depends:quickcheck-classes          >= 0.6.5.0      && < 0.7
 common dependency-semigroupoids