diff --git a/python/requirements-fmt.txt b/python/requirements-fmt.txt
index 8d22bd4..bdf7453 100644
--- a/python/requirements-fmt.txt
+++ b/python/requirements-fmt.txt
@@ -1,5 +1,5 @@
 # generated by `pyfmt --requirements`
-black==25.11.0
+black==26.3.1
 ruff-api==0.2.0
 stdlibs==2025.10.28
 ufmt==2.9.0