diff --git a/py/host-emulator/requirements.txt b/py/host-emulator/requirements.txt
index 885ba60..7c20b20 100644
--- a/py/host-emulator/requirements.txt
+++ b/py/host-emulator/requirements.txt
@@ -1,4 +1,4 @@
-black==24.2.0
+black==24.3.0
 click==8.1.7
 coverage==7.4.3
 iniconfig==2.0.0