diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index 04c821f0..14f06ee4 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -8,7 +8,7 @@ on:
 env:
   CARGO_TERM_COLOR: always
   CI: true
-  CACHE_MODELS_DIR: models
+  CACHE_MODELS_DIR: "models"
 
 jobs:
   test: