diff --git a/requirements-dev.txt b/requirements-dev.txt
index c70d81f6318..283ec19fa22 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -15,7 +15,7 @@ click==8.1.8
 colorama==0.4.6
 cryptography==44.0.2
 Deprecated==1.2.18
-dill==0.3.9
+dill==0.4.0
 docutils==0.20.1
 flit==3.12.0
 flit_core==3.12.0