diff --git a/extra/clang/checksums b/extra/clang/checksums
index 761fdf2b..0782ed27 100644
--- a/extra/clang/checksums
+++ b/extra/clang/checksums
@@ -1 +1 @@
-e5ddf021e744be6d838f7be1f7b745b670fb812c371c6dc2d0d584bdabd8a119
+96036052694e703d159c995bda203b59d1ff185c6879189b9eba837726e1738c
diff --git a/extra/clang/version b/extra/clang/version
index 793b5d18..aa30e435 100644
--- a/extra/clang/version
+++ b/extra/clang/version
@@ -1 +1 @@
-15.0.2 1
+15.0.3 1
diff --git a/extra/llvm/checksums b/extra/llvm/checksums
index c9f630a3..2ecab58f 100644
--- a/extra/llvm/checksums
+++ b/extra/llvm/checksums
@@ -1,2 +1,2 @@
-8e1443141bac55c1ba9d4b481006ab696787eb42cb6c6d872e02e77db473797c
-c47c4d54bb311298abe97e7d8e8185eaa8d71feb6d85e5e38356a70679e5c61e
+c39aec729662416dcbf0bfe53a9786b34e7d93d02908a0779a2f6d83ad0a4a27
+21cf3f52c53dc8b8972122ae35a5c18de09c7df693b48b5cd8553c3e3fed090d
diff --git a/extra/llvm/version b/extra/llvm/version
index 793b5d18..aa30e435 100644
--- a/extra/llvm/version
+++ b/extra/llvm/version
@@ -1 +1 @@
-15.0.2 1
+15.0.3 1