diff --git a/WORKSPACE b/WORKSPACE
index e0693c4..778b266 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -15,9 +15,9 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-LLVM_COMMIT = "b2780cd744eaad6f5c7f39165054cf7000a1ff07"
+LLVM_COMMIT = "ad12590fdd1459ffb8db185ea1b45748c20b538e"
 
-LLVM_SHA256 = "acdfab3e957e148d424b30e7bae65984287b8e561f03f7ae5833b2d381bbcf9b"
+LLVM_SHA256 = "9815229b6d758a8dd151c16437c4212e3bc498bb3e52b76686d31d7079335a2a"
 
 LLVM_BAZEL_TAG = "llvm-project-{commit}".format(commit = LLVM_COMMIT)
 
diff --git a/build_tools/llvm_version.txt b/build_tools/llvm_version.txt
index b02aa0a..bbe7a92 100644
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@@ -1,2 +1,2 @@
-b2780cd744eaad6f5c7f39165054cf7000a1ff07
+ad12590fdd1459ffb8db185ea1b45748c20b538e