diff --git a/wp-content/plugins/redis-cache/dependencies/colinmollenhour/credis/testenv/env/php-7.2/Dockerfile b/wp-content/plugins/redis-cache/dependencies/colinmollenhour/credis/testenv/env/php-7.2/Dockerfile
index 0e34aabbc..bae812fea 100644
--- a/wp-content/plugins/redis-cache/dependencies/colinmollenhour/credis/testenv/env/php-7.2/Dockerfile
+++ b/wp-content/plugins/redis-cache/dependencies/colinmollenhour/credis/testenv/env/php-7.2/Dockerfile
@@ -3,7 +3,9 @@ ENV phpunit_verison 7.5
 ENV redis_version 6.0.8
 
 RUN apt-get update && \
-    apt-get install -y wget libssl-dev
+    apt-get install -y wget libssl-dev && \ 
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
 RUN wget https://phar.phpunit.de/phpunit-${phpunit_verison}.phar && \
     chmod +x phpunit-${phpunit_verison}.phar && \