diff --git a/src/Yann/skymask/requirements.txt b/src/Yann/skymask/requirements.txt
index e4da785968..f1f1b5981b 100644
--- a/src/Yann/skymask/requirements.txt
+++ b/src/Yann/skymask/requirements.txt
@@ -35,7 +35,7 @@ oauthlib==3.1.0
 opt-einsum==3.3.0
 Pillow==7.2.0
 pkg-resources==0.0.0
-protobuf==3.13.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyparsing==2.4.7