diff --git a/nonce.cabal b/nonce.cabal
--- a/nonce.cabal
+++ b/nonce.cabal
@@ -1,5 +1,5 @@
 name:                nonce
-version:             1.0
+version:             1.0.1
 synopsis:            Generate cryptographic nonces.
 homepage:            https://github.com/prowdsponsor/nonce
 license:             BSD3
@@ -16,7 +16,7 @@
   contain helper functions for generating nonces.
   .
   There are many kinds of nonces used in different situations.
-  It's not guarantee that by using the nonces from this package
+  It's not guaranteed that by using the nonces from this package
   you won't have any security issues.  Please make sure that the
   nonces generated via this package are usable on your design.
 
@@ -32,7 +32,7 @@
     , base64-bytestring == 1.0.*
     , bytestring        >= 0.9
     , crypto-random     == 0.0.*
-    , cprng-aes         == 0.5.*
+    , cprng-aes         >= 0.5   && < 0.7
     , text              >= 0.9
     , transformers      >= 0.2
   hs-source-dirs: src/