diff --git a/extra/clang/checksums b/extra/clang/checksums
index f6c57210..e0ae7ca9 100644
--- a/extra/clang/checksums
+++ b/extra/clang/checksums
@@ -1,3 +1,3 @@
-3d677cb5a0258ae910719528e463a59cf270a3414e3e4807e9fefc36437474e0a5
-78c57fd0ae1cf67b61210b2d6be58aa51372161e8de66efa78a268dcdb348520b3
+cde42bd61c2204f2bceec66b19da6a8ddaea2966fd4df8a71957a519d7617543d5
+032558ca9423aa6b7357a0fa776a2897720f47cb819115f07d50064693f37000db
 b6e513e411ec87051b9211cf91e27f16109606b930ed11ef8ad4a418f818d474e9
diff --git a/extra/clang/sources b/extra/clang/sources
index a4176688..27c5d96c 100644
--- a/extra/clang/sources
+++ b/extra/clang/sources
@@ -1,3 +1,3 @@
-https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.2/clang-18.1.2.src.tar.xz clang
-https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.2/cmake-18.1.2.src.tar.xz cmake
+https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.3/clang-18.1.3.src.tar.xz clang
+https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.3/cmake-18.1.3.src.tar.xz cmake
 patches/musl-targets.patch
diff --git a/extra/clang/version b/extra/clang/version
index a9fb2295..97b7cb3d 100644
--- a/extra/clang/version
+++ b/extra/clang/version
@@ -1 +1 @@
-18.1.2 1
+18.1.3 1
diff --git a/extra/llvm/checksums b/extra/llvm/checksums
index feacc118..70b17a81 100644
--- a/extra/llvm/checksums
+++ b/extra/llvm/checksums
@@ -1,3 +1,3 @@
-b3f2a3fc4d2f77ef717f920ec5bd224a196e67c024ecf0b1080e38f8b95ba297ed
-78c57fd0ae1cf67b61210b2d6be58aa51372161e8de66efa78a268dcdb348520b3
+8192738cecfc1624eadbfe2642795e84d20bb949bfcb03ac8fde6dec867f522904
+032558ca9423aa6b7357a0fa776a2897720f47cb819115f07d50064693f37000db
 c975229979af06c139b27c56d42cb32a58b16aa5b0b74e28245a06e75be8f35e1d
diff --git a/extra/llvm/sources b/extra/llvm/sources
index 426fe7a3..ddac0e1e 100644
--- a/extra/llvm/sources
+++ b/extra/llvm/sources
@@ -1,3 +1,3 @@
-https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.2/llvm-18.1.2.src.tar.xz llvm
-https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.2/cmake-18.1.2.src.tar.xz cmake
+https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.3/llvm-18.1.3.src.tar.xz llvm
+https://github.com/llvm/llvm-project/releases/download/llvmorg-18.1.3/cmake-18.1.3.src.tar.xz cmake
 patches/musl-stack-size.patch
diff --git a/extra/llvm/version b/extra/llvm/version
index a9fb2295..97b7cb3d 100644
--- a/extra/llvm/version
+++ b/extra/llvm/version
@@ -1 +1 @@
-18.1.2 1
+18.1.3 1