diff --git a/server/frontend/Dockerfile b/server/frontend/Dockerfile
index abd0680..d860fd6 100644
--- a/server/frontend/Dockerfile
+++ b/server/frontend/Dockerfile
@@ -3,4 +3,11 @@ FROM nginx:alpine
 COPY public/ /usr/share/nginx/html/
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
+RUN HTML=/usr/share/nginx/html/index.html && \
+    for f in $(find /usr/share/nginx/html/assets -name "*.css" -o -name "*.js"); do \
+        hash=$(md5sum "$f" | cut -c1-8); \
+        rel="${f#/usr/share/nginx/html}"; \
+        sed -i "s|${rel}\"|${rel}?v=${hash}\"|g" "$HTML"; \
+    done
+
 EXPOSE 80
\ No newline at end of file
diff --git a/server/frontend/nginx.conf b/server/frontend/nginx.conf
index 6d6422c..c22769b 100644
--- a/server/frontend/nginx.conf
+++ b/server/frontend/nginx.conf
@@ -11,7 +11,7 @@ server {
 
     location /assets/ {
         expires 1y;
-        add_header Cache-Control "public";
+        add_header Cache-Control "public, immutable";
     }
 
     location = /index.html {