diff --git a/dpkd/transformers/examples/research_projects/decision_transformer/requirements.txt b/dpkd/transformers/examples/research_projects/decision_transformer/requirements.txt
index 2d510dde..c0302e8e 100644
--- a/dpkd/transformers/examples/research_projects/decision_transformer/requirements.txt
+++ b/dpkd/transformers/examples/research_projects/decision_transformer/requirements.txt
@@ -104,7 +104,7 @@ kubernetes==12.0.1
 libclang==13.0.0
 librosa==0.9.1
 llvmlite==0.38.0
-Mako==1.2.2
+Mako==1.3.11
 Markdown==3.3.6
 MarkupSafe==1.1.1
 matplotlib==3.5.1