diff --git a/upper-constraints.txt b/upper-constraints.txt
index e4b17ac792..b48eb2620c 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -364,7 +364,7 @@ idna===2.9
 python-karborclient===2.0.0
 PuLP===2.1
 crc16===0.1.1
-protobuf===3.12.1
+protobuf===3.12.2
 sushy===3.2.0
 python-neutronclient===7.1.1
 pika===1.1.0