diff --git a/saturn.cabal b/saturn.cabal
--- a/saturn.cabal
+++ b/saturn.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: saturn
-version: 1.1.0.5
+version: 1.1.0.6
 synopsis: Handle POSIX cron schedules.
 description: Saturn handles POSIX cron schedules.
 build-type: Simple
@@ -43,11 +43,11 @@
 library
   import: library
   build-depends:
-    QuickCheck ^>={2.14.3, 2.15, 2.16, 2.17},
     containers ^>={0.7, 0.8},
     heck ^>={0.2025.5.22, 1},
     hspec ^>=2.11.8,
     parsec ^>=3.1.16.1,
+    QuickCheck ^>={2.14.3, 2.15, 2.16, 2.17, 2.18},
     text ^>=2.1,
     time ^>={1.12.2, 1.14, 1.15},