diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7eea0a7..2ba8f28 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for primitive-addr
 
+## 0.1.0.2 -- 2019-06-18
+
+* Allow building with `primitive-0.6.4.0`.
+
 ## 0.1.0.1 -- 2019-06-18
 
 * Allow building with GHCs as old as 7.4.2.
diff --git a/primitive-addr.cabal b/primitive-addr.cabal
index 9996e97..2ba24fe 100644
--- a/primitive-addr.cabal
+++ b/primitive-addr.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.2
 name: primitive-addr
-version: 0.1.0.1
+version: 0.1.0.2
 synopsis: Addresses to unmanaged memory
 homepage: https://github.com/andrewthad/primitive-addr
 bug-reports: https://github.com/andrewthad/primitive-addr/issues
@@ -16,6 +16,6 @@ library
   exposed-modules: Data.Primitive.Addr
   build-depends:
       base >=4.5.1.0 && <5
-    , primitive >=0.7 && <0.8
+    , primitive >=0.6.4 && <0.8
   hs-source-dirs: src
   default-language: Haskell2010
diff --git a/src/Data/Primitive/Addr.hs b/src/Data/Primitive/Addr.hs
index 89511a2..94af576 100644
--- a/src/Data/Primitive/Addr.hs
+++ b/src/Data/Primitive/Addr.hs
@@ -28,7 +28,7 @@ module Data.Primitive.Addr
 
 import Numeric (showHex)
 import Control.Monad.Primitive
-import Data.Primitive.Types
+import Data.Primitive.Types (Prim(..))
 import Data.Primitive.ByteArray
 
 import GHC.Exts