diff --git a/factory/extra_requirements.txt b/factory/extra_requirements.txt
index 4b20774..2790b14 100644
--- a/factory/extra_requirements.txt
+++ b/factory/extra_requirements.txt
@@ -1,5 +1,5 @@
 # Additional Python dependencies baked into every base image.
 # Always pin versions to keep builds reproducible.
 websocket-client==1.9.0
-phonenumbers==9.0.36
+phonenumbers==9.0.37
 debugpy==1.8.21