diff --git a/ci/azure/macos_arm64_script b/ci/azure/macos_arm64_script
index a37faba001..835ee59c90 100755
--- a/ci/azure/macos_arm64_script
+++ b/ci/azure/macos_arm64_script
@@ -16,7 +16,7 @@ HOST_PREFIX="$HOME/$HOST_CACHE_BASENAME"
 ARCH="aarch64"
 TARGET="$ARCH-macos-gnu"
 MCPU="apple_a14"
-CACHE_BASENAME="zig+llvm+lld+clang-$TARGET-0.9.1-dev.90+d2398cf00"
+CACHE_BASENAME="zig+llvm+lld+clang-$TARGET-0.9.0-dev.1249+210ef5af8"
 PREFIX="$HOME/$CACHE_BASENAME"
 
 JOBS="-j2"