diff --git a/.github/actions/helper-mimalloc/action.yml b/.github/actions/helper-mimalloc/action.yml
index ed5efb0bf2b..e8bc30c2863 100644
--- a/.github/actions/helper-mimalloc/action.yml
+++ b/.github/actions/helper-mimalloc/action.yml
@@ -16,6 +16,11 @@ runs:
         mkdir mimalloc
         tar -xf mimalloc.tar.gz --strip 1 -C mimalloc
 
+        # https://github.com/ldc-developers/ldc/pull/4853#discussion_r2869484071
+        if [[ '${{ runner.os }}' == macOS ]]; then
+          sed -i '' 's|__attribute__((constructor(101)))|__attribute__((constructor(0)))|' mimalloc/src/prim/osx/alloc-override-zone.c
+        fi
+
         mkdir build-mimalloc
         cd build-mimalloc
         cmake -G Ninja ../mimalloc ${{ inputs.cmake_flags }}
diff --git a/packaging/mimalloc_version b/packaging/mimalloc_version
index 89365caf557..7baf7e14810 100644
--- a/packaging/mimalloc_version
+++ b/packaging/mimalloc_version
@@ -1 +1 @@
-v1.8.7
\ No newline at end of file
+v1.9.7
\ No newline at end of file