diff --git a/Dockerfile b/Dockerfile
index fb5b20d..0ee0c11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,7 @@ RUN export SABNZBD_VERSION=3.7.2 PAR2CMDLINE_VERSION=v0.6.14-mt1 && \
     curl -SL -o /tmp/sabnzbd.tar.gz https://github.com/sabnzbd/sabnzbd/releases/download/${SABNZBD_VERSION}/SABnzbd-${SABNZBD_VERSION}-src.tar.gz && \
     tar xzf /tmp/sabnzbd.tar.gz && \
     mv SABnzbd-* sabnzbd && \
+    sed -i 's/^cffi==.*/cffi/' /sabnzbd/requirements.txt && \
     pip3 install -r /sabnzbd/requirements.txt && \
     chown -R sabnzbd: sabnzbd && \
     curl -o /tmp/par2cmdline-mt.tar.gz https://codeload.github.com/jkansanen/par2cmdline-mt/tar.gz/${PAR2CMDLINE_VERSION} && \