diff --git a/ed25519-0.0.5.0.cabal b/ed25519-0.0.5.0.cabal
index 25d556a..2188f6f 100644
--- a/ed25519-0.0.5.0.cabal
+++ b/ed25519-0.0.5.0.cabal
@@ -1,6 +1,6 @@
 name:                ed25519
 version:             0.0.5.0
-x-revision: 3
+x-revision: 5
 category:            Cryptography
 license:             MIT
 synopsis:            Ed25519 cryptographic signatures
@@ -61,9 +61,9 @@ flag no-donna
 
 library
   build-depends:
-    ghc-prim    >= 0.1 && < 0.7,
+    ghc-prim    >= 0.1 && < 0.9,
     base        >= 4   && < 5,
-    bytestring  >= 0.9 && < 0.11
+    bytestring  >= 0.9 && < 0.12
 
   exposed-modules:
     Crypto.Sign.Ed25519
@@ -97,7 +97,7 @@ test-suite properties
   else
     build-depends:
       base        >= 4   && < 5,
-      bytestring  >= 0.9 && < 0.11,
+      bytestring  >= 0.9 && < 0.12,
       QuickCheck  >= 2.4 && < 2.9,
       ed25519
 
@@ -140,7 +140,7 @@ benchmark bench
   type:               exitcode-stdio-1.0
   build-depends:
       base        >= 4   && < 5,
-      bytestring  >= 0.9 && < 0.11,
+      bytestring  >= 0.9 && < 0.12,
       criterion   >= 0.8 && < 1.2,
       deepseq     >= 1.3 && < 1.5,
       ed25519