diff --git a/python39.yaml b/python39.yaml
index 954815a..3b4c3f2 100644
--- a/python39.yaml
+++ b/python39.yaml
@@ -232,7 +232,7 @@ data:
                 ref: 4c7d27c844b65549cf4162977488b7b63288b377
             pytest:
                 rationale: Python component
-                ref: 0e0110864115c99e4e69ed78021a478fac350f33
+                ref: c398c89a6c193e054c6924b94e57106202210ab4
 
             python-idna:
                 rationale: Python component