diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 8b66dd34..9a7336bc 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -97,7 +97,7 @@ RUN { \
         echo 'opcache.enable=1'; \
         echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
-        echo 'opcache.memory_consumption=128'; \
+        echo 'opcache.memory_consumption=512'; \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \