diff --git a/.env b/.env
index e65eff934..fd2558b89 100644
--- a/.env
+++ b/.env
@@ -1,5 +1,5 @@
 ALPINE_VERSION=3.15
-ALPINE_BUILD=0
+ALPINE_BUILD=4
 APK_URL=https://dl-cdn.alpinelinux.org
 RUBYGEMS_URL=https://rubygems.org
 NPM_URL=https://registry.npmjs.org
diff --git a/cosmos-ruby/Dockerfile b/cosmos-ruby/Dockerfile
index 19bfae21b..718a28db4 100644
--- a/cosmos-ruby/Dockerfile
+++ b/cosmos-ruby/Dockerfile
@@ -39,6 +39,9 @@ RUN cp /root/.gemrc /etc/.gemrc
 
 RUN apk update \
   && apk add ruby \
+  build-base \
+  ruby-dev \
+  libressl-dev \
   ruby-etc \
   ruby-bigdecimal \
   ruby-io-console \
@@ -52,7 +55,7 @@ RUN apk update \
   git \
   libxml2-dev \
   libxslt-dev \
-  && gem update --system 3.3.13 \
+  && gem update --system 3.3.14 \
   && gem install rake \
   && gem cleanup \
   && bundle config build.nokogiri --use-system-libraries \
diff --git a/cosmos/Dockerfile b/cosmos/Dockerfile
index 80751f6ff..d01444eac 100644
--- a/cosmos/Dockerfile
+++ b/cosmos/Dockerfile
@@ -13,7 +13,6 @@ USER root
 
 RUN mkdir -p lib/cosmos/ext \
   && git config --global http.sslCAinfo /devel/cacert.pem \
-  && apk add build-base ruby-dev libressl-dev \
   && bundle config set --local without 'development' \
   && bundle install --quiet \
   && rake gems \