diff --git a/requirements.txt b/requirements.txt
index b7ae777..7bcca55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2024.2.2
 cryptography==39.0.2
-protobuf==3.13.0
+protobuf==3.19.0
 requests==2.31.0
 urllib3==1.25.11
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index 65daf8b..b022ae6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.0.3
+current_version = 3.0.4
 commit = True
 tag = True
 
diff --git a/setup.py b/setup.py
index 5db74bc..8c6d200 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 CURRENT_DIR = os.path.abspath( os.path.dirname( __file__ ) )
 
-__VERSION__ = '3.0.3'
+__VERSION__ = '3.0.4'
 
 class ProtobufBuilder(_build):
 
@@ -48,6 +48,6 @@ def run(self):
       include_package_data=True,
       cmdclass={'build_py': ProtobufBuilder},
       install_requires=['cryptography<41',
-                        'protobuf==3.13.0',
+                        'protobuf==3.19.0',
                         'requests==2.31.0',
                         'urllib3 < 1.26.0'])