diff --git a/requirements.txt b/requirements.txt
index 4e62e68..f7b7d9c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,8 +19,8 @@ google-api-core==1.4.0
 google-auth==1.5.1
 google-cloud-vision==0.34.0
 googleapis-common-protos==1.5.3
-grpcio==1.15.0
-gunicorn==19.9.0
+grpcio==1.58.3
+gunicorn==23.0.0
 idna==2.7
 itsdangerous==0.24
 Jinja2==2.10