diff --git a/cases.cabal b/cases.cabal
--- a/cases.cabal
+++ b/cases.cabal
@@ -1,7 +1,7 @@
 name:
   cases
 version:
-  0.1.3
+  0.1.3.1
 synopsis:
   A converter for spinal, snake and camel cases
 description:
@@ -62,7 +62,6 @@
     FunctionalDependencies
     GADTs
     GeneralizedNewtypeDeriving
-    ImpredicativeTypes
     LambdaCase
     LiberalTypeSynonyms
     MultiParamTypeClasses
@@ -124,7 +123,6 @@
     FunctionalDependencies
     GADTs
     GeneralizedNewtypeDeriving
-    ImpredicativeTypes
     LambdaCase
     LiberalTypeSynonyms
     MultiParamTypeClasses
@@ -185,7 +183,6 @@
     FunctionalDependencies
     GADTs
     GeneralizedNewtypeDeriving
-    ImpredicativeTypes
     LambdaCase
     LiberalTypeSynonyms
     MultiParamTypeClasses