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:         1.0.0.0
+version:         1.0.0.1
 synopsis:        Handle POSIX cron schedules.
 description:     Saturn handles POSIX cron schedules.
 build-type:      Simple
@@ -76,7 +76,7 @@
 library spec
   import:          library
   build-depends:
-    , hspec ^>=2.11.2
+    , hspec ^>=2.9.7 || ^>=2.10.10 || ^>=2.11.2
     , parsec
     , QuickCheck ^>=2.14.3
     , saturn:unstable
@@ -112,7 +112,7 @@
 test-suite saturn-test-suite
   import:         library
   build-depends:
-    , hspec ^>=2.11.2
+    , hspec
     , saturn:spec
 
   ghc-options:    -rtsopts -threaded