diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for wgpu-raw-hs
 
+## 0.4.0.0 -- 2021-09-10
+
+- Version bump.
+
 ## 0.3.0.0 -- 2021-08-30
 
 - Add SDL surfaces.
diff --git a/wgpu-raw-hs.cabal b/wgpu-raw-hs.cabal
--- a/wgpu-raw-hs.cabal
+++ b/wgpu-raw-hs.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               wgpu-raw-hs
-version:            0.3.0.0
+version:            0.4.0.0
 synopsis:           WGPU Raw
 description:        A very low-level WGPU binding.
 bug-reports:        https://github.com/lancelet/wgpu-hs/issues