diff --git a/build.sh b/build.sh
index 0e43cd4..ed5adb8 100755
--- a/build.sh
+++ b/build.sh
@@ -31,7 +31,7 @@ CMAKEVCS="https://gitlab.kitware.com/cmake/cmake.git"
 
 # LLVM Settings
 LLVMDIR="${SRCDIR}/llvm"
-LLVMTAG="llvmorg-21.1.2"
+LLVMTAG="llvmorg-21.1.3"
 LLVMVCS="https://github.com/llvm/llvm-project.git"
 
 # Mtools Settings
diff --git a/patches/llvm/21.1.1/01-Fix-WaitForSingleObject-cast-on-MinGW.patch b/patches/llvm/21.1.3/01-Fix-WaitForSingleObject-cast-on-MinGW.patch
similarity index 100%
rename from patches/llvm/21.1.1/01-Fix-WaitForSingleObject-cast-on-MinGW.patch
rename to patches/llvm/21.1.3/01-Fix-WaitForSingleObject-cast-on-MinGW.patch