diff --git a/Dockerfile b/Dockerfile
index c927da4..a1a68ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ MAINTAINER Nicholas Long nicholas.long@nrel.gov
 # Set the version of OpenStudio when building the container. For example `docker build --build-arg
 ARG OPENSTUDIO_VERSION=3.9.0
 ARG OPENSTUDIO_VERSION_EXT=""
-ARG OPENSTUDIO_DOWNLOAD_URL="https://openstudio-ci-builds.s3.amazonaws.com/master/OpenStudio-3.9.0%2Bc77fbb9569-Ubuntu-22.04-x86_64.tar.gz"
+ARG OPENSTUDIO_DOWNLOAD_URL="https://openstudio-ci-builds.s3.amazonaws.com/master/OpenStudio-3.9.0%2Bc77fbb9569-Ubuntu-22.04-x86_64.deb"
 ENV RC_RELEASE=TRUE
 ENV OS_BUNDLER_VERSION=2.4.10
 ENV RUBY_VERSION=3.2.2