diff --git a/docker/Dockerfile b/docker/Dockerfile
index d3d69af61..2caa9abe2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -17,6 +17,7 @@ RUN crystal spec --warnings all \
     --link-flags "-lxml2 -llzma"
 
 RUN crystal build ./src/invidious.cr \
+    --release \
     --static --warnings all \
     --link-flags "-lxml2 -llzma"
 
diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index 84084a06e..fc82c6df8 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -17,6 +17,7 @@ RUN crystal spec --warnings all \
     --link-flags "-lxml2 -llzma"
 
 RUN crystal build ./src/invidious.cr \
+    --release \
     --static --warnings all \
     --link-flags "-lxml2 -llzma"