diff --git a/languages/python/oso/requirements.txt b/languages/python/oso/requirements.txt
index 1dbde97a8f..3bc14de247 100644
--- a/languages/python/oso/requirements.txt
+++ b/languages/python/oso/requirements.txt
@@ -1,2 +1,2 @@
-cffi~=1.15
+cffi~=2.0.0
 dataclasses; python_version<"3.7"