diff --git a/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh b/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
index 7a14e544ae0d..f6d1157456f7 100644
--- a/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
+++ b/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
@@ -60,8 +60,10 @@ composerVendorBuildHook() {
     echo "Executing composerVendorBuildHook"
 
     composer \
-        --apcu-autoloader \
-        --apcu-autoloader-prefix="$(jq -r -c 'try ."content-hash"' < composer.lock)" \
+        # The acpu-autoloader is not reproducible and has to be disabled.
+        # Upstream PR: https://github.com/composer/composer/pull/12090
+        # --apcu-autoloader \
+        # --apcu-autoloader-prefix="$(jq -r -c 'try ."content-hash"' < composer.lock)" \
         --no-interaction \
         --no-progress \
         --optimize-autoloader \