diff --git a/examples/research_projects/decision_transformer/requirements.txt b/examples/research_projects/decision_transformer/requirements.txt
index 2db1784640..2aa9a94ae6 100644
--- a/examples/research_projects/decision_transformer/requirements.txt
+++ b/examples/research_projects/decision_transformer/requirements.txt
@@ -34,7 +34,7 @@ cmd2==2.4.0
 codecarbon==1.2.0
 colorlog==6.6.0
 cookiecutter==2.1.1
-cryptography==36.0.2
+cryptography==39.0.1
 csvw==2.0.0
 cycler==0.11.0
 Cython==0.29.28