diff --git a/setup.py b/setup.py
index da186fb..bdb0ecb 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ docs_require = [
     "aafigure==0.6",
     "alabaster==0.7.12",
     "Babel==2.10.1",
-    "certifi==2021.10.8",
+    "certifi==2022.12.7",
     "charset-normalizer==2.0.12",
     "commonmark==0.9.1",
     "docutils==0.17.1",
@@ -125,7 +125,7 @@ install_requires = [
     "setproctitle==1.2.2",
     "werkzeug==2.0.3",
     "nest-asyncio==1.5.5",
-    "protobuf==3.20.1",
+    "protobuf==3.20.2",
     "planetmint-ipld>=0.0.3",
     "pyasn1>=0.4.8",
     "python-decouple",