diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 0.1.2.1 (2025-06-17)
+
+* Bump `QuickCheck` version (see [#34](https://github.com/klapaucius/vector-hashtables/pull/34)).
+
 # 0.1.2.0 (2024-04-26)
 
 * Add `upsert` function to public interface (see [#21](https://github.com/klapaucius/vector-hashtables/pull/21)).
diff --git a/vector-hashtables.cabal b/vector-hashtables.cabal
--- a/vector-hashtables.cabal
+++ b/vector-hashtables.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.0
 name:                vector-hashtables
-version:             0.1.2.0
+version:             0.1.2.1
 synopsis:            Efficient vector-based mutable hashtables implementation.
 description:
   This package provides efficient vector-based hashtable implementation similar to .NET Generic Dictionary implementation (at the time of 2015).
@@ -71,7 +71,7 @@
   -- Additional dependencies
   build-depends:
       hspec                >= 2.6.0    && < 2.12
-    , QuickCheck           >= 2.12.6.1 && < 2.16
+    , QuickCheck           >= 2.12.6.1 && < 2.17
     , quickcheck-instances >= 0.3.19   && < 0.4
 
   build-tool-depends: