diff --git a/docker/Dockerfile b/docker/Dockerfile
index ea15f0c85..bd135e962 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -11,7 +11,7 @@ ENV PNPM_VERSION=${PNPM_VERSION}
 # For development docker-compose file overrides ARGS
 ARG BUNDLE_WITHOUT="development:test"
 ENV BUNDLE_WITHOUT ${BUNDLE_WITHOUT}
-ENV BUNDLER_VERSION=2.5.11
+ENV BUNDLER_VERSION=2.5.16
 
 ARG RAILS_SERVE_STATIC_FILES=true
 ENV RAILS_SERVE_STATIC_FILES ${RAILS_SERVE_STATIC_FILES}
@@ -35,7 +35,7 @@ RUN apk update && apk add --no-cache \
   curl \
   xz \
   && mkdir -p /var/app \
-  && gem install bundler
+  && gem install bundler -v "$BUNDLER_VERSION"
 
 COPY --from=node /usr/local/bin/node /usr/local/bin/
 COPY --from=node /usr/local/lib/node_modules /usr/local/lib/node_modules
@@ -105,7 +105,7 @@ ENV PNPM_VERSION=${PNPM_VERSION}
 
 ARG BUNDLE_WITHOUT="development:test"
 ENV BUNDLE_WITHOUT ${BUNDLE_WITHOUT}
-ENV BUNDLER_VERSION=2.5.11
+ENV BUNDLER_VERSION=2.5.16
 
 ARG EXECJS_RUNTIME="Disabled"
 ENV EXECJS_RUNTIME ${EXECJS_RUNTIME}
@@ -128,7 +128,7 @@ RUN apk update && apk add --no-cache \
   imagemagick \
   git \
   vips \
-  && gem install bundler
+  && gem install bundler -v "$BUNDLER_VERSION"
 
 COPY --from=node /usr/local/bin/node /usr/local/bin/
 COPY --from=node /usr/local/lib/node_modules /usr/local/lib/node_modules