diff --git a/tls-extra.cabal b/tls-extra.cabal
--- a/tls-extra.cabal
+++ b/tls-extra.cabal
@@ -1,5 +1,5 @@
 Name:                tls-extra
-Version:             0.5.0
+Version:             0.5.1
 Description:
    a set of extra definitions, default values and helpers for tls.
 License:             BSD3
@@ -58,7 +58,7 @@
                    , HUnit
                    , QuickCheck >= 2
                    , bytestring
-                   , cprng-aes >= 0.2.3
+                   , cprng-aes >= 0.3.0
   else
     Buildable:       False
   if os(windows)