diff --git a/requirements/base.txt b/requirements/base.txt
index 1cdc4d7f..224b898f 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -10,7 +10,7 @@ avro==1.11.1
     # via -r requirements/base.ini
 backports.entry-points-selectable==1.1.0
     # via virtualenv
-certifi==2021.10.8
+certifi==2022.12.7
     # via requests
 cfgv==3.3.1
     # via pre-commit
diff --git a/requirements/tests.txt b/requirements/tests.txt
index e8016929..e60855dc 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -18,7 +18,7 @@ backports.entry-points-selectable==1.1.0
     # via
     #   -r requirements/base.txt
     #   virtualenv
-certifi==2021.10.8
+certifi==2022.12.7
     # via
     #   -r requirements/base.txt
     #   requests