diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,9 @@
 
 ## WIP
 
+## [3.12.1] - 2021-08-12
+- Bump API version to v1.2.188
+
 ## [3.12] - 2021-08-12
 - Bump API version to v1.2.188
 
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: vulkan
-version: "3.12"
+version: "3.12.1"
 synopsis: Bindings to the Vulkan graphics API.
 description: Please see [the readme](https://github.com/expipiplus1/vulkan/#readme)
 category: Graphics
diff --git a/src/Vulkan/Version.hs b/src/Vulkan/Version.hs
--- a/src/Vulkan/Version.hs
+++ b/src/Vulkan/Version.hs
@@ -19,11 +19,11 @@
 import Data.Word (Word32)
 
 pattern HEADER_VERSION :: Word32
-pattern HEADER_VERSION = 187
+pattern HEADER_VERSION = 188
 
 
 pattern HEADER_VERSION_COMPLETE :: Word32
-pattern HEADER_VERSION_COMPLETE = MAKE_API_VERSION 1 2 187
+pattern HEADER_VERSION_COMPLETE = MAKE_API_VERSION 1 2 188
 
 
 pattern MAKE_API_VERSION :: Word32 -> Word32 -> Word32 -> Word32
diff --git a/vulkan.cabal b/vulkan.cabal
--- a/vulkan.cabal
+++ b/vulkan.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           vulkan
-version:        3.12
+version:        3.12.1
 synopsis:       Bindings to the Vulkan graphics API.
 description:    Please see [the readme](https://github.com/expipiplus1/vulkan/#readme)
 category:       Graphics