diff --git a/requirements.txt b/requirements.txt
index 7c65f13..5e47552 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+python==3.10.5
 Cartopy==0.21.1
 h5py==3.9.0
 ipython==8.12.3