diff --git a/lambdas/kafka_test/Makefile b/lambdas/kafka_test/Makefile
index ef9d98db2..5f52f49c6 100644
--- a/lambdas/kafka_test/Makefile
+++ b/lambdas/kafka_test/Makefile
@@ -7,6 +7,6 @@ install-requirements:
 
 	. venv/bin/activate && sudo pipenv lock --requirements > requirements.txt
 	#. venv/bin/activate && sudo pip install --target ./lib -r requirements.txt
-	. venv/bin/activate && sudo docker run -v $(PWD):/var/task "lambci/lambda:build-python3.9" /bin/sh -c "pip install --target ./lib -r requirements.txt; exit"
+	. venv/bin/activate && sudo docker run -v $(PWD):/var/task "lambci/lambda:build-python3.8" /bin/sh -c "pip install --target ./lib -r requirements.txt; exit"
 	sudo cp ../../terraform/modules/kafka-schema-registry/schemas/* ./lib/
 	rm -rf venv/