diff --git a/requirements_test.txt b/requirements_test.txt
index 76a305367a..51b8e6f8ed 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,7 +1,7 @@
 pylint==3.3.9
 flake8==7.3.0  # also change in .pre-commit-config.yaml when updating
 ruff==0.14.0  # also change in .pre-commit-config.yaml when updating
-pyupgrade==3.20.0  # also change in .pre-commit-config.yaml when updating
+pyupgrade==3.21.0  # also change in .pre-commit-config.yaml when updating
 pre-commit
 
 # Unit tests