diff --git a/cases.cabal b/cases.cabal
--- a/cases.cabal
+++ b/cases.cabal
@@ -1,7 +1,7 @@
 name:
   cases
 version:
-  0.1.2.1
+  0.1.3
 synopsis:
   A converter for spinal, snake and camel cases
 description:
@@ -46,7 +46,7 @@
     attoparsec >= 0.10 && < 0.14,
     text == 1.*,
     loch-th == 0.2.*,
-    base-prelude >= 0.1.4 && < 0.2
+    base-prelude >= 0.1.4 && < 2
   default-extensions:
     Arrows
     BangPatterns
@@ -108,7 +108,7 @@
     loch-th == 0.2.*,
     placeholders == 0.1.*,
     -- general:
-    base >= 4.5 && < 5
+    base >= 4.6 && < 5
   default-extensions:
     Arrows
     BangPatterns
@@ -169,7 +169,7 @@
     loch-th == 0.2.*,
     placeholders == 0.1.*,
     -- 
-    base >= 4.5 && < 5
+    base >= 4.6 && < 5
   default-extensions:
     Arrows
     BangPatterns