diff --git a/requirements.txt b/requirements.txt
index 9101380..836d146 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 #
 bidict==0.23.1
     # via -r requirements.in
-frozendict==2.4.5
+frozendict==2.4.6
     # via -r requirements.in
 networkx==3.3
     # via -r requirements.in