diff --git a/readme-vars.yml b/readme-vars.yml
index 187b2b3..186e40e 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -85,6 +85,7 @@ init_diagram: |
   "smokeping:latest" <- Base Images
 # changelog
 changelogs:
+  - {date: "20.03.25:", desc: "Set max-age for image files to 300 seconds."}
   - {date: "27.07.24:", desc: "Add additional dependency packages for InfluxDB."}
   - {date: "25.06.24:", desc: "Rebase to Alpine 3.20."}
   - {date: "12.04.24:", desc: "Added perl InfluxDB HTTP module for InfluxDB HTTP support."}
diff --git a/root/defaults/httpd.conf b/root/defaults/httpd.conf
index 7e71407..d95c0f0 100644
--- a/root/defaults/httpd.conf
+++ b/root/defaults/httpd.conf
@@ -123,7 +123,7 @@ LoadModule log_config_module modules/mod_log_config.so
 #LoadModule logio_module modules/mod_logio.so
 LoadModule env_module modules/mod_env.so
 #LoadModule mime_magic_module modules/mod_mime_magic.so
-#LoadModule expires_module modules/mod_expires.so
+LoadModule expires_module modules/mod_expires.so
 LoadModule headers_module modules/mod_headers.so
 #LoadModule usertrack_module modules/mod_usertrack.so
 #LoadModule unique_id_module modules/mod_unique_id.so
@@ -278,6 +278,9 @@ DocumentRoot "/var/www/localhost/htdocs"
 RewriteEngine On
 RewriteRule ^/$ /smokeping/ [R]
 
+# Set max-age for image files to 300 seconds (5 minutes)
+ExpiresActive On
+ExpiresByType image/* A300
 
 #
 # The following lines prevent .htaccess and .htpasswd files from being