diff --git a/string-random.cabal b/string-random.cabal
--- a/string-random.cabal
+++ b/string-random.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.12
 name:          string-random
-version:       0.1.4.2
+version:       0.1.4.3
 synopsis:
   A library for generating random string from a regular experession
 
@@ -37,7 +37,7 @@
     , containers    >=0.5.7.1 && <0.7
     , random        >=1.1     && <1.3
     , text          >=1.2.2.1 && <2.1
-    , transformers  >=0.5.2.0 && <0.6
+    , transformers  >=0.5.2.0 && <0.7
 
   default-language: Haskell2010