diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index a30f2b0b64219..c8a3e9b5adeeb 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -720,11 +720,11 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "LLVM",
         project_desc = "LLVM Compiler Infrastructure",
         project_url = "https://llvm.org",
-        version = "10.0.0",
-        sha256 = "df83a44b3a9a71029049ec101fb0077ecbbdf5fe41e395215025779099a98fdf",
+        version = "13.0.0",
+        sha256 = "408d11708643ea826f519ff79761fcdfc12d641a2510229eec459e72f8163020",
         strip_prefix = "llvm-{version}.src",
         urls = ["https://github.com/llvm/llvm-project/releases/download/llvmorg-{version}/llvm-{version}.src.tar.xz"],
-        release_date = "2020-03-24",
+        release_date = "2021-10-01",
         use_category = ["dataplane_ext"],
         extensions = [
             "envoy.wasm.runtime.wamr",
@@ -922,12 +922,12 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "compiler-rt",
         project_desc = "LLVM compiler runtime library",
         project_url = "https://compiler-rt.llvm.org",
-        version = "12.0.1",
-        sha256 = "b4c8d5f2a802332987c1c0a95b5afb35b1a66a96fe44add4e4ed4792c4cba0a4",
+        version = "13.0.0",
+        sha256 = "4c3602d76c7868a96b30c36165c4b7643e2a20173fced7e071b4baeb2d74db3f",
         # Only allow peeking at fuzzer related files for now.
         strip_prefix = "compiler-rt-{version}.src",
         urls = ["https://github.com/llvm/llvm-project/releases/download/llvmorg-{version}/compiler-rt-{version}.src.tar.xz"],
-        release_date = "2021-07-09",
+        release_date = "2021-10-01",
         use_category = ["test_only"],
         cpe = "cpe:2.3:a:llvm:compiler-rt:*",
     ),