diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## [1.3.2.0] - 2016-02-29
+Add type signatures to version functions
+
 ## [1.3.1.0] - 2016-02-29
 Add version information and generator to Graphics.Vulkan.Version
 
diff --git a/src/Graphics/Vulkan/Version.hs b/src/Graphics/Vulkan/Version.hs
--- a/src/Graphics/Vulkan/Version.hs
+++ b/src/Graphics/Vulkan/Version.hs
@@ -6,9 +6,20 @@
                 , (.|.)
                 , (.&.)
                 )
+import Data.Word( Word32
+                )
 
+vkApiVersion :: Word32
 vkApiVersion  = vkMakeVersion 1 0 3
+
+vkVersionMinor :: Word32 -> Word32
 vkVersionMinor version = (.&.) (shiftR version 12) 1023
+
+vkVersionPatch :: Word32 -> Word32
 vkVersionPatch version = (.&.) version 4095
+
+vkMakeVersion :: Word32 -> Word32 -> Word32 -> Word32
 vkMakeVersion major minor patch = (.|.) ((.|.) (shiftL major 22) (shiftL minor 12)) patch
+
+vkVersionMajor :: Word32 -> Word32
 vkVersionMajor version = shiftR version 22
diff --git a/vulkan.cabal b/vulkan.cabal
--- a/vulkan.cabal
+++ b/vulkan.cabal
@@ -1,5 +1,5 @@
 name:                vulkan
-version:             1.3.1.0
+version:             1.3.2.0
 synopsis:            Bindings to the Vulkan graphics API.
 description:         Please see readme.md
 homepage:            http://github.com/expipiplus1/vulkan#readme