diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,7 @@
+## 0.1.0.4 (2015-04-12)
+
+ * GHC 7.10 support.
+
 ## 0.1.0.3 (2015-02-11)
 
  * Allow base 4.9.
diff --git a/ekg-core.cabal b/ekg-core.cabal
--- a/ekg-core.cabal
+++ b/ekg-core.cabal
@@ -1,5 +1,5 @@
 name:                ekg-core
-version:             0.1.0.3
+version:             0.1.0.4
 synopsis:            Tracking of system metrics
 description:
   This library lets you defined and track system metrics.
@@ -28,7 +28,7 @@
     System.Metrics.ThreadId
 
   build-depends:
-    ghc-prim < 0.4,
+    ghc-prim < 0.5,
     base >= 4.5 && < 4.9,
     containers >= 0.5 && < 0.6,
     text < 1.3,