diff --git a/RSA.cabal b/RSA.cabal
--- a/RSA.cabal
+++ b/RSA.cabal
@@ -1,6 +1,6 @@
 name:       RSA
 category:   Cryptography, Codec
-version:    1.0.0
+version:    1.0.1
 license:    BSD3
 license-file: LICENSE
 author:     Adam Wick <awick@galois.com>
@@ -36,7 +36,7 @@
  extensions: CPP, BangPatterns, PatternSignatures
 
 Executable test_rsa
-    build-depends: base >= 3, bytestring, QuickCheck, SHA
+    build-depends: base >= 3, bytestring, QuickCheck, SHA >= 1.0.1
   GHC-Options: -O2 -Wall -fno-ignore-asserts -fno-warn-orphans 
   CPP-Options: -DRSA_TEST
   Main-Is: Test.hs