diff --git a/llvm_version.cmake b/llvm_version.cmake
index 4d79b67..0ab5bcd 100644
--- a/llvm_version.cmake
+++ b/llvm_version.cmake
@@ -1,2 +1,2 @@
-set(LLVM_VERSION 20.1.5)
-set(LLVM_SHA256 97025772b25c6694db049d3c4be5a72d926299aa1a9b861f490d66750e31c9dd)
\ No newline at end of file
+set(LLVM_VERSION 21.1.2)
+set(LLVM_SHA256 5050e2028bb4d7ca80aadc6f4ae84d15b73747880520957ae1e907065a406c10)