diff --git a/Dockerfile b/Dockerfile
index 23998d7..a0b0f12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,7 @@ RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | g
   apt-get update && apt-get install -y gh
 
 # Install CumulusCI
-RUN pip --no-cache-dir install git+https://github.com/muselab-d2x/CumulusCI@bed1162da1f6801a29bd72a5672dcb21e9894f8c cookiecutter keyrings.alt
+RUN pip --no-cache-dir install git+https://github.com/muselab-d2x/CumulusCI@3593fc5662555c88273e7d3b1dfd5752d8991349 cookiecutter keyrings.alt
 
 # Copy devhub auth script and make it executable
 COPY devhub.sh /usr/local/bin/devhub.sh