diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change log
 
+## v0.0.05 (2015-03-19)
+
+-   Constraint versions of `pointfree` dependencies.
+
 ## v0.0.4 (2015-03-19)
 
 -   Allow setting the port with the `PORT` environment variable.
diff --git a/blunt.cabal b/blunt.cabal
--- a/blunt.cabal
+++ b/blunt.cabal
@@ -1,5 +1,5 @@
 name: blunt
-version: 0.0.4
+version: 0.0.5
 cabal-version: >=1.10
 build-type: Simple
 license: MIT
@@ -32,10 +32,10 @@
 
     -- pointfree
     build-depends:
-        array,
-        containers,
-        haskell-src-exts,
-        transformers
+        array >=0.3 && <0.6,
+        containers >=0.4 && <0.6,
+        haskell-src-exts ==1.16.*,
+        transformers <0.5
     other-modules:
         Pointfree
         Plugin.Pl.Common