1 files changed, 3 insertions, 3 deletions
diff --git a/setup.py b/setup.py
index 4cf63f0..3054997 100755
--- a/setup.py
+++ b/setup.py
@@ -10,8 +10,8 @@ from setuptools import (
 
 PROJECT_NAME = 'macaroonbakery'
 
-# version 1.3.1
-VERSION = (1, 3, 1)
+# version 1.3.4
+VERSION = (1, 3, 4)
 
 
 def get_version():
@@ -27,7 +27,7 @@ requirements = [
     'PyNaCl>=1.1.2,<2.0',
     'pymacaroons>=0.12.0,<1.0',
     'six>=1.11.0,<2.0',
-    'protobuf>=3.0.0,<4.0',
+    'protobuf>=3.20.0',
     'pyRFC3339>=1.0,<2.0',
     'ipaddress;python_version<"3"',
     'cryptography==1.3.2;python_full_version<"2.7.9"',