diff --git a/Dockerfile b/Dockerfile
index 6a51ae8..9ca93e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG VERSION=unspecified
 
-FROM certbot/dns-route53
+FROM certbot/dns-route53:v1.19.0
 
 ARG VERSION
 
@@ -10,8 +10,15 @@ ARG VERSION
 LABEL org.opencontainers.image.authors="mark.feldhousen@cisa.dhs.gov"
 LABEL org.opencontainers.image.vendor="Cybersecurity and Infrastructure Security Agency"
 
-RUN apk add python3
-RUN pip3 install --upgrade pip && pip3 install --upgrade awscli boto3 docopt
+RUN apk add --no-cache python3=3.8.10-r0
+RUN pip3 install --no-cache-dir \
+  pip==21.2.4 \
+  setuptools==58.1.0 \
+  wheel==0.37.0
+RUN pip3 install --no-cache-dir \
+  awscli==1.20.52 \
+  boto3==1.18.52 \
+  docopt==0.6.2
 COPY src/rebuild-symlinks.py src/entrypoint.sh src/version.txt /opt/certbot/
 COPY src/config /root/.aws/config
 RUN ln -snf /run/secrets/credentials /root/.aws/credentials
diff --git a/README.md b/README.md
index f087e48..f36c957 100644
--- a/README.md
+++ b/README.md
@@ -158,11 +158,11 @@ want set:
 
 The images of this container are tagged with
 [semantic versions](https://semver.org).  It is recommended that most users use
-a version tag (e.g. `:0.0.3`).
+a version tag (e.g. `:0.0.4`).
 
 | Image:tag | Description |
 |-----------|-------------|
-|`cisagov/certboto:0.0.3`| An exact release version. |
+|`cisagov/certboto:0.0.4`| An exact release version. |
 |`cisagov/certboto:0.0`| The most recent release matching the major and minor version numbers. |
 |`cisagov/certboto:0`| The most recent release matching the major version number. |
 |`cisagov/certboto:edge` | The most recent image built from a merge into the `develop` branch of this repository. |
@@ -225,8 +225,8 @@ Build the image locally using this git repository as the [build context](https:/
 
 ```console
 docker build \
-  --build-arg VERSION=0.0.3 \
-  --tag cisagov/certboto:0.0.3 \
+  --build-arg VERSION=0.0.4 \
+  --tag cisagov/certboto:0.0.4 \
   https://github.com/cisagov/certboto-docker.git#develop
 ```
 
@@ -256,9 +256,9 @@ Docker:
     docker buildx build \
       --file Dockerfile-x \
       --platform linux/amd64 \
-      --build-arg VERSION=0.0.3 \
+      --build-arg VERSION=0.0.4 \
       --output type=docker \
-      --tag cisagov/certboto:0.0.3 .
+      --tag cisagov/certboto:0.0.4 .
     ```
 
 ## AWS policies ##
diff --git a/src/version.txt b/src/version.txt
index 27fdca4..81f0fde 100644
--- a/src/version.txt
+++ b/src/version.txt
@@ -1 +1 @@
-__version__ = "0.0.3"
+__version__ = "0.0.4"