diff --git a/gantry-ml/tensorflow/requirements.txt b/gantry-ml/tensorflow/requirements.txt
index 0590b1c..444c985 100644
--- a/gantry-ml/tensorflow/requirements.txt
+++ b/gantry-ml/tensorflow/requirements.txt
@@ -1,7 +1,7 @@
 absl-py==0.9.0
 appdirs==1.4.4
 astor==0.8.1
-certifi==2020.4.5.2
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 distlib==0.3.0