diff --git a/examples/research_projects/decision_transformer/requirements.txt b/examples/research_projects/decision_transformer/requirements.txt
index 01d3985410da..1d51cf4d5a20 100644
--- a/examples/research_projects/decision_transformer/requirements.txt
+++ b/examples/research_projects/decision_transformer/requirements.txt
@@ -20,7 +20,7 @@ boto3==1.16.34
 botocore==1.19.63
 Brotli==1.0.9
 cachetools==5.0.0
-certifi==2021.10.8
+certifi==2022.12.7
 cffi==1.15.0
 chardet==4.0.0
 charset-normalizer==2.0.12