diff --git a/.github/workflows/buildx.yml b/.github/workflows/buildx.yml
index bf92147..9b0f426 100644
--- a/.github/workflows/buildx.yml
+++ b/.github/workflows/buildx.yml
@@ -2,7 +2,7 @@ name: buildx
 
 on:
   schedule:
-    - cron: "37 06 * * *"
+    - cron: "37 06 * * 1"
   pull_request:
   push:
 
diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index d274d07..e1f463e 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v3
       - name: Build the Docker image
         run: |
-          docker run -i $(docker build -q 14) /bin/sh -c "node --version && npm --version && git --version && python3 -V && make -v && g++ -v"
-          docker run -i $(docker build -q 16) /bin/sh -c "node --version && npm --version && git --version && python3 -V && make -v && g++ -v"
-          docker run -i $(docker build -q 14-3.13) /bin/sh -c "node --version && npm --version && git --version && python3 -V && make -v && g++ -v"
-          docker run -i $(docker build -q 16-3.13) /bin/sh -c "node --version && npm --version && git --version && python3 -V && make -v && g++ -v"
+          docker run -i $(docker build -q 14) /bin/sh -c "node --version && npm --version && bash --version && ssh -V && git --version && python3 -V && make -v && g++ -v"
+          docker run -i $(docker build -q 16) /bin/sh -c "node --version && npm --version && bash --version && ssh -V && git --version && python3 -V && make -v && g++ -v"
+          docker run -i $(docker build -q 14-3.13) /bin/sh -c "node --version && npm --version && bash --version && ssh -V && git --version && python3 -V && make -v && g++ -v"
+          docker run -i $(docker build -q 16-3.13) /bin/sh -c "node --version && npm --version && bash --version && ssh -V && git --version && python3 -V && make -v && g++ -v"
diff --git a/14-3.13/Dockerfile b/14-3.13/Dockerfile
index 5536083..6b90cff 100644
--- a/14-3.13/Dockerfile
+++ b/14-3.13/Dockerfile
@@ -1,10 +1,7 @@
 FROM node:fermium-alpine3.13
-
-ARG REFRESHED_AT
-ENV REFRESHED_AT $REFRESHED_AT
-
 RUN apk -U upgrade \
   && apk add --no-cache \
+    bash \
     git \
     openssh \
     python3 \
diff --git a/14/Dockerfile b/14/Dockerfile
index 842863b..cc46f56 100644
--- a/14/Dockerfile
+++ b/14/Dockerfile
@@ -1,2 +1,9 @@
 FROM timbru31/node-alpine-git:14
-RUN apk -U upgrade && apk add --no-cache python3 make g++
+RUN apk -U upgrade \
+  && apk add --no-cache \
+    bash \
+    git \
+    openssh \
+    python3 \
+    make \
+    g++
\ No newline at end of file
diff --git a/16-3.13/Dockerfile b/16-3.13/Dockerfile
index 65ec2b7..6c9d1b8 100644
--- a/16-3.13/Dockerfile
+++ b/16-3.13/Dockerfile
@@ -1,10 +1,7 @@
 FROM node:gallium-alpine3.13
-
-ARG REFRESHED_AT
-ENV REFRESHED_AT $REFRESHED_AT
-
 RUN apk -U upgrade \
   && apk add --no-cache \
+    bash \
     git \
     openssh \
     python3 \
diff --git a/16/Dockerfile b/16/Dockerfile
index 904a81e..7a8a831 100644
--- a/16/Dockerfile
+++ b/16/Dockerfile
@@ -1,2 +1,9 @@
 FROM timbru31/node-alpine-git:16
-RUN apk -U upgrade && apk add --no-cache python3 make g++
+RUN apk -U upgrade \
+  && apk add --no-cache \
+    bash \
+    git \
+    openssh \
+    python3 \
+    make \
+    g++
diff --git a/README.md b/README.md
index d236e76..9d6ee3b 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,12 @@ A minimal Dockerfile based on Node.js 14 LTS (Fermium) or Node.js 16 LTS (Galliu
 - Node.js 14 LTS (Fermium) or 16 LTS (Gallium)
 - npm 6 (Node.js 14) or npm 8 (Node.js 16)
 - yarn
+- Bash
 - Git
-- ssh
+- OpenSSH
+- Python 3.x (for node-gyp)
+- g++ (for node-gyp)
+- make
 
 ### Available platforms