diff --git a/Dockerfile b/Dockerfile
index 9c1f697..71f4dfe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ ARG CHECKSUM
 ARG PYTHON_VERSION=3.11
 
 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
@@ -15,6 +15,7 @@ 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 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