diff --git a/.github/renovate/regex-manager.json5 b/.github/renovate/regex-manager.json5
index cf2e9b33e..56c4b6ce9 100644
--- a/.github/renovate/regex-manager.json5
+++ b/.github/renovate/regex-manager.json5
@@ -47,7 +47,7 @@
     {
       "description": "GitHub URL dependencies",
       "fileMatch": [
-        ".+\\.ya?ml$", "(^|/)Makefile$"
+        ".+\\.ya?ml$", "(^|/)Makefile$", "^Dockerfile.*"
       ],
       "matchStrings": [
         // Example: kustomize build https://github.com/argoproj/argo-cd//manifests/crds?ref=v2.7.6 | kubectl create -f -
diff --git a/dev/Dockerfile-frontend b/dev/Dockerfile-frontend
index c3a19cf97..cbea36fd1 100644
--- a/dev/Dockerfile-frontend
+++ b/dev/Dockerfile-frontend
@@ -2,4 +2,4 @@ FROM caddy:2.8.4-alpine
 
 COPY ./Caddyfile /etc/caddy/Caddyfile
 
-RUN wget -O - https://github.com/traPtitech/traQ_S-UI/releases/latest/download/dist.tar.gz | tar zxv -C /usr/share/caddy/ --strip-components=2
+RUN wget -O - https://github.com/traPtitech/traQ_S-UI/releases/download/v3.22.1/dist.tar.gz | tar zxv -C /usr/share/caddy/ --strip-components=2