diff --git a/ops/test-linux-python-wheel.sh b/ops/test-linux-python-wheel.sh
index fb104b2..5f5a70d 100755
--- a/ops/test-linux-python-wheel.sh
+++ b/ops/test-linux-python-wheel.sh
@@ -9,4 +9,4 @@ echo "##[section]Running Python tests..."
 python -m pytest -v -rxXs --fulltrace --durations=0 tests/python/test_basic.py
 
 echo "##[section]Uploading Python wheels..."
-python -m awscli s3 cp python/dist/*.whl s3://tl2cgen-wheels/ --acl public-read || true
+python -m awscli s3 cp python/dist/*.whl s3://tl2cgen-wheels/ --acl public-read --region us-west-2 || true
diff --git a/ops/test-sdist.sh b/ops/test-sdist.sh
index 9b84169..886b51f 100755
--- a/ops/test-sdist.sh
+++ b/ops/test-sdist.sh
@@ -14,4 +14,4 @@ for file in ./tl2cgen-*.tar.gz
 do
   mv "${file}" "${file%.tar.gz}+${COMMIT_ID}.tar.gz"
 done
-python -m awscli s3 cp tl2cgen-*.tar.gz s3://tl2cgen-wheels/ --acl public-read || true
+python -m awscli s3 cp tl2cgen-*.tar.gz s3://tl2cgen-wheels/ --acl public-read --region us-west-2 || true
diff --git a/ops/test-win-python-wheel.bat b/ops/test-win-python-wheel.bat
index 40f002f..b464988 100644
--- a/ops/test-win-python-wheel.bat
+++ b/ops/test-win-python-wheel.bat
@@ -17,5 +17,5 @@ if %errorlevel% neq 0 exit /b %errorlevel%
 
 echo ##[section]Uploading Python wheels...
 for /R %%i in (python\\dist\\*.whl) DO (
-  python -m awscli s3 cp "%%i" s3://tl2cgen-wheels/ --acl public-read || cd .
+  python -m awscli s3 cp "%%i" s3://tl2cgen-wheels/ --acl public-read --region us-west-2 || cd .
 )