diff --git a/requirements.txt b/requirements.txt
index 9e25634..a524d32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ chardet==3.0.4
 click==7.1.2
 cmdstanpy==0.4.0
 convertdate==2.2.0
-cookiecutter==1.7.2
+cookiecutter==2.1.1
 cryptography==2.9.2
 cycler==0.10.0
 Cython==0.29.17