diff --git a/.github/workflows/build_python_runtime.yml b/.github/workflows/build_python_runtime.yml
index 11ff2f571..fc2d11865 100644
--- a/.github/workflows/build_python_runtime.yml
+++ b/.github/workflows/build_python_runtime.yml
@@ -29,8 +29,8 @@ permissions:
 env:
   AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
   AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-  AWS_DEFAULT_REGION: "us-east-1"
-  S3_BUCKET: "heroku-buildpack-python"
+  AWS_DEFAULT_REGION: "us-west-2"
+  S3_BUCKET: "mrelief-general-production"
 
 # Unfortunately these jobs cannot be easily written as a matrix since `matrix.exclude` does not
 # support expression syntax, and the `matrix` context is not available inside the job `if` key.
diff --git a/lib/python.sh b/lib/python.sh
index 449146132..a2e0df5b9 100644
--- a/lib/python.sh
+++ b/lib/python.sh
@@ -4,7 +4,7 @@
 # however, it helps Shellcheck realise the options under which these functions will run.
 set -euo pipefail
 
-S3_BASE_URL="https://heroku-buildpack-python.s3.us-east-1.amazonaws.com"
+S3_BASE_URL="https://mrelief-general-production.s3.us-west-2.amazonaws.com"
 
 function python::install() {
 	local build_dir="${1}"