diff --git a/Dockerfile b/Dockerfile
index 9c1f697..571c5c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,26 +1,30 @@
-FROM alpine:edge AS builder
+ARG PYTHON_VERSION=3.11.9
 
-ARG VERSION
-ARG CHECKSUM
+FROM python:${PYTHON_VERSION}-alpine AS builder
 
-ARG PYTHON_VERSION=3.11
+ARG VERSION=6.4.0
+ARG CHECKSUM=da7676ea7836022faef3b733e2b0431d0237ffec3796a0a5460e6a94a1c0cdd5
+
+ARG CRYPTOGRAPHY_OPENSSL_NO_LEGACY=1
 
 RUN apk add --no-cache build-base libffi-dev perl zlib-dev diffutils libstdc++ gcompat \
-                       bash wget py3-cffi py3-zope-interface
+                       bash wget py3-cffi py3-zope-interface py3-cryptography
 RUN wget -O duoauthproxy.tgz https://dl.duosecurity.com/duoauthproxy-${VERSION}-src.tgz
 RUN echo "${CHECKSUM} duoauthproxy.tgz" | sha256sum -c
 RUN tar xzf duoauthproxy.tgz
 WORKDIR duoauthproxy-${VERSION}-src
-RUN mkdir -p duoauthproxy-build/usr/local/lib/python${PYTHON_VERSION}/
-RUN cp -R /usr/lib/python3.11/site-packages duoauthproxy-build/usr/local/lib/python${PYTHON_VERSION}/
+RUN mkdir -p duoauthproxy-build/usr/local/lib/python${PYTHON_VERSION%.*}/
+RUN cp -R /usr/lib/python${PYTHON_VERSION%.*}/site-packages duoauthproxy-build/usr/local/lib/python${PYTHON_VERSION%.*}/
 RUN sed -i '/$(CFFI) \\/d' Makefile
 RUN sed -i '/$(ZOPE_INTERFACE) \\/d' Makefile
+RUN sed -i '/$(CRYPTOGRAPHY) \\/d' Makefile
 RUN make
 RUN LD_PRELOAD=libgcompat.so.0 duoauthproxy-build/install --install-dir /app --service-user nobody --log-group nobody --create-init-script no --enable-selinux=no
-RUN rm -rf /app/usr/local/lib/python${PYTHON_VERSION}/test
+RUN rm -rf /app/usr/local/lib/python${PYTHON_VERSION%.*}/test
 RUN chown -R nobody:nobody /app/conf
 
 FROM alpine:edge
+ARG CRYPTOGRAPHY_OPENSSL_NO_LEGACY=1
 WORKDIR /app
 RUN apk add --no-cache libgcc libffi-dev gcompat su-exec
 USER 0:0
diff --git a/build.sh b/build.sh
index fd903fa..25a8776 100755
--- a/build.sh
+++ b/build.sh
@@ -19,6 +19,6 @@ docker buildx create --use --name builder
 docker buildx inspect --bootstrap builder
 docker buildx install
 
-docker buildx build --cache-to=type=local,dest=cache,mode=max --build-arg VERSION --build-arg CHECKSUM --platform "linux/${ARCH}" -t "${REGISTRY_IMAGE}:${ARCH/\//}" .
+docker buildx build --cache-to=type=local,dest=cache,mode=max --build-arg VERSION --build-arg CHECKSUM --build-arg PYTHON_VERSION --platform "linux/${ARCH}" -t "${REGISTRY_IMAGE}:${ARCH/\//}" .
 echo "${TOKEN}" | docker login -u "${USERNAME}" --password-stdin ${REGISTRY}
-docker buildx build --push --cache-from=type=local,src=cache --build-arg VERSION --build-arg CHECKSUM --platform "linux/${ARCH}" -t "${REGISTRY_IMAGE}:${ARCH/\//}" .
+docker buildx build --push --cache-from=type=local,src=cache --build-arg VERSION --build-arg CHECKSUM --build-arg PYTHON_VERSION --platform "linux/${ARCH}" -t "${REGISTRY_IMAGE}:${ARCH/\//}" .
diff --git a/build.template.yml b/build.template.yml
index 82f4ff7..5136881 100644
--- a/build.template.yml
+++ b/build.template.yml
@@ -22,7 +22,7 @@ variables:
     - name: docker:dind
       command: ["--experimental"]
   script:
-    - VERSION=$LATEST CHECKSUM=$CHECKSUM ./build.sh
+    - VERSION=$LATEST CHECKSUM=$CHECKSUM PYTHON_VERSION=$PYTHON_VERSION ./build.sh
 
 build:amd64:
   extends: .build-template
diff --git a/check.sh b/check.sh
index 328de52..7f10612 100755
--- a/check.sh
+++ b/check.sh
@@ -13,12 +13,16 @@ else
   INFO=$(curl https://duo.com/docs/checksums | grep 'https://dl.duosecurity.com/duoauthproxy' | grep 'src.tgz' | rev | cut -d'>' -f1 | rev)
   CHECKSUM=$(echo "$INFO" | cut -d' ' -f1)
   LATEST=$(echo "$INFO" | cut -d'-' -f2)
+  PYTHON_VERSION=$(curl https://duo.com/docs/authproxy-notes | grep -Eo 'Python to \d+.\d+.\d+' | head -n1 | rev | cut -d' ' -f1 | rev)
   echo "Latest: ${LATEST}"
+  echo "Checksum: ${CHECKSUM}"
+  echo "Python Version: ${PYTHON_VERSION}"
 fi
 
 if [[ (-n "${LATEST}" && "${LATEST}" != "${EXISTING}") ]]; then
   mv build.template.yml build.yml
   sed -i "s \$CHECKSUM ${CHECKSUM} g" 'build.yml'
   sed -i "s \$LATEST ${LATEST} g" 'build.yml'
+  sed -i "s \$PYTHON_VERSION ${PYTHON_VERSION} g" 'build.yml'
   echo "Building..."
 fi