diff --git a/requirements.txt b/requirements.txt
index c817997..f5f5ae0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ openai==1.109.1
 orjson>=3.11.5
 numpy>=1.26
 pillow==12.2.0
-propcache==0.5.2
+propcache==0.4.1
 pydantic==2.13.4
 pydantic-settings==2.14.1
 pydantic_core==2.46.4