diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+0.8.1.1
+* Loosen upper bounds
+
 0.8.1.0
 * Add `retryingDynamic` and `recoveringDynamic`. [PR 65](https://github.com/Soostone/retry/pull/65)
 
diff --git a/retry.cabal b/retry.cabal
--- a/retry.cabal
+++ b/retry.cabal
@@ -14,7 +14,7 @@
         case we should hang back for a bit and retry the query instead
         of simply raising an exception.
 
-version:             0.8.1.0
+version:             0.8.1.1
 synopsis:            Retry combinators for monadic actions that may fail
 license:             BSD3
 license-file:        LICENSE
@@ -38,7 +38,7 @@
   build-depends:
       base                 >= 4.6 && < 5
     , exceptions           >= 0.5
-    , ghc-prim             < 0.6
+    , ghc-prim
     , random               >= 1
     , transformers
   hs-source-dirs:      src