diff --git a/2.4/Dockerfile b/2.4/Dockerfile
index 6083e29..3184b34 100644
--- a/2.4/Dockerfile
+++ b/2.4/Dockerfile
@@ -1,4 +1,4 @@
-FROM httpd:alpine
+FROM httpd:2.4.37-alpine
 
 # These variables are inherited from the httpd:alpine image:
 # ENV HTTPD_PREFIX /usr/local/apache2