diff --git a/requirements-gpu-py36.txt b/requirements-gpu-py36.txt
index f71086b..887d336 100644
--- a/requirements-gpu-py36.txt
+++ b/requirements-gpu-py36.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 astor==0.7.1
 backcall==0.1.0
 bleach==3.0.0
-certifi==2018.10.15
+certifi==2022.12.7
 cycler==0.10.0
 decorator==4.3.0
 defusedxml==0.5.0
diff --git a/requirements-py36.txt b/requirements-py36.txt
index 0a7b527..32f1eff 100644
--- a/requirements-py36.txt
+++ b/requirements-py36.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 astor==0.7.1
 backcall==0.1.0
 bleach==3.0.0
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 cloudpickle==0.6.1
 cycler==0.10.0