diff --git a/api/requirements.txt b/api/requirements.txt
index 5eae352b..c70931ae 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -28,7 +28,7 @@ Mako==1.1.3
 MarkupSafe==1.1.1
 mccabe==0.6.1
 overpy==0.4
-protobuf==3.12.2
+protobuf==3.15.0
 psycopg2-binary==2.8.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8