diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog for the [`clash-ghc`](http://hackage.haskell.org/package/clash-ghc) package
 
+## 0.6.15 *March 15th 2016*
+* Fixes bugs:
+  * XST cannot finds "_types" package unless it is prefixed with "work." [#133](https://github.com/clash-lang/clash-compiler/pull/133)
+
 ## 0.6.14 *March 15th 2016*
 * Fixes bugs:
   * XST cannot finds "_types" package unless it is prefixed with "work." [#133](https://github.com/clash-lang/clash-compiler/pull/133)
diff --git a/clash-ghc.cabal b/clash-ghc.cabal
--- a/clash-ghc.cabal
+++ b/clash-ghc.cabal
@@ -1,5 +1,5 @@
 Name:                 clash-ghc
-Version:              0.6.14
+Version:              0.6.15
 Synopsis:             CAES Language for Synchronous Hardware
 Description:
   CλaSH (pronounced ‘clash’) is a functional hardware description language that
@@ -96,7 +96,7 @@
 
                       clash-lib                 >= 0.6.13 && < 0.7,
                       clash-systemverilog       >= 0.6.6,
-                      clash-vhdl                >= 0.6.9,
+                      clash-vhdl                >= 0.6.10,
                       clash-verilog             >= 0.6.6,
                       clash-prelude             >= 0.10.6 && < 0.11,
                       ghc-typelits-extra        >= 0.1,