diff --git a/docker-compose-deploy.yml b/docker-compose-deploy.yml
index cefd377..2638ee2 100644
--- a/docker-compose-deploy.yml
+++ b/docker-compose-deploy.yml
@@ -1,5 +1,5 @@
 jekyll:
-    image: jekyll/builder
+    image: jekyll/builder:3.7
     command: bash /srv/jekyll/_scripts/build-then-deploy.sh
     ports:
         - 4000:4000
diff --git a/docker-compose.yml b/docker-compose.yml
index 9bc34e6..e7dcc8e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,5 @@
 jekyll:
-    image: jekyll/jekyll
+    image: jekyll/jekyll:3.7
     command: jekyll serve --livereload --reload_port 35729
     ports:
         - 4000:4000