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:         0.2.0.0
+version:         0.3.0.0
 synopsis:        Handle POSIX cron schedules.
 description:     Saturn handles POSIX cron schedules.
 build-type:      Simple
@@ -64,6 +64,7 @@
     Saturn.Unstable.Type.Wildcard
 
   hs-source-dirs:  source/libraries/unstable
+  visibility:      public
 
 library
   import:          library
@@ -104,6 +105,7 @@
     SaturnSpec
 
   hs-source-dirs:  source/libraries/spec
+  visibility:      public
 
 test-suite saturn-test-suite
   import:         library