diff --git a/extra/clang/checksums b/extra/clang/checksums
index cd5f6974..f3860894 100644
--- a/extra/clang/checksums
+++ b/extra/clang/checksums
@@ -1 +1 @@
-0f96acace1e8326b39f220ba19e055ba99b0ab21c2475042dbc6a482649c5209
+e26e452e91d4542da3ebbf404f024d3e1cbf103f4cd110c26bf0a19621cca9ed
diff --git a/extra/clang/sources b/extra/clang/sources
index c1757f01..39eca453 100644
--- a/extra/clang/sources
+++ b/extra/clang/sources
@@ -1 +1 @@
-https://github.com/llvm/llvm-project/releases/download/llvmorg-11.0.0/clang-11.0.0.src.tar.xz
+https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang-12.0.0.src.tar.xz
diff --git a/extra/clang/version b/extra/clang/version
index 59f40770..1284e405 100644
--- a/extra/clang/version
+++ b/extra/clang/version
@@ -1 +1 @@
-11.0.0 1
+12.0.0 1