diff --git a/bitmask/bitmask/requirements.txt b/bitmask/bitmask/requirements.txt
index 2958f4d..022d6eb 100644
--- a/bitmask/bitmask/requirements.txt
+++ b/bitmask/bitmask/requirements.txt
@@ -38,7 +38,7 @@ pathlib2==2.3.3
 pbkdf2==1.3
 pexpect==4.6.0
 pluggy==0.8.0
-protobuf==3.0.0a3
+protobuf==3.18.3
 psycopg2-binary==2.7.6.1
 ptyprocess==0.6.0
 py==1.7.0