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:         1.0.0.3
+version:         1.0.0.4
 synopsis:        Handle POSIX cron schedules.
 description:     Saturn handles POSIX cron schedules.
 build-type:      Simple
@@ -78,7 +78,7 @@
   build-depends:
     , hspec ^>=2.9.0 || ^>=2.10.0 || ^>=2.11.0
     , parsec
-    , QuickCheck ^>=2.14.3
+    , QuickCheck ^>=2.14.3 || ^>=2.15
     , saturn:unstable
     , text
     , time