diff --git a/requirements.txt b/requirements.txt
index d206848..a343387 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ aiohttp==3.14.2
 aiosignal==1.4.0
 annotated-types==0.7.0
 attrs==26.1.0
-bitarray==3.9.0
+bitarray==3.9.1
 blinker==1.9.0
 certifi==2026.7.22
 charset-normalizer==3.4.9