diff --git a/Dockerfile b/Dockerfile
index 3fcc06b..6bd251f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,13 +7,13 @@ ENV DEV_PACKAGES="build-base libffi-dev ruby-dev ruby-rdoc ruby-irb gcc make mus
 RUN apk add --no-cache ca-certificates ruby ruby-json libffi libstdc++ ${DEV_PACKAGES}
 
 ARG JEKYLL_VERSION
-RUN gem install jekyll -v ${JEKYLL_VERSION} \
-    && gem install jekyll-paginate \
-    && gem install jekyll-auto-image \
-    && gem install jekyll-tidy \
-    && gem install jekyll-sitemap \
-    && gem install bigdecimal \
-    && gem install kramdown-parser-gfm
+RUN gem install jekyll -v ${JEKYLL_VERSION} --no-document \
+    && gem install jekyll-paginate --no-document \
+    && gem install jekyll-auto-image --no-document \
+    && gem install jekyll-tidy --no-document \
+    && gem install jekyll-sitemap --no-document \
+    && gem install bigdecimal --no-document \
+    && gem install kramdown-parser-gfm --no-document
 
 RUN apk del ${DEV_PACKAGES} \
     && rm -rf /var/cache/apk/*