diff --git a/python/requirements.txt b/python/requirements.txt
index fe0731b826..88c8a47443 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -13,3 +13,6 @@ Pillow==6.0.0
 jaeger-client==3.13.0
 grpcio-opentracing
 pyyaml
+minio >= 4.0.9
+google-cloud-storage >= 1.16.0
+azure-storage-blob >= 2.0.1