diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2d37b7474..0baa7e644 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,7 @@ env:
   LLVM_RELEASE_VERSION_LINUX: 17
   LLVM_RELEASE_VERSION_OPENBSD: 19
   LLVM_RELEASE_VERSION_UBUNTU22: 17
-  LLVM_DEV_VERSION: 21
+  LLVM_DEV_VERSION: 22
 jobs:
 
   build-msvc:
@@ -230,7 +230,7 @@ jobs:
       fail-fast: false
       matrix:
         build_type: [Release, Debug]
-        llvm_version: [17, 18, 19, 20]
+        llvm_version: [17, 18, 19, 20, 21]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c7741e87..09db3f9c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 set(C3_LLVM_MIN_VERSION 17)
-set(C3_LLVM_MAX_VERSION 21)
+set(C3_LLVM_MAX_VERSION 22)
 set(C3_LLVM_DEFAULT_VERSION 19)
 
 if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)