diff --git a/tools/testing/requirements.txt b/tools/testing/requirements.txt
index 075ebbd7a2247..2d5b619ca3e43 100644
--- a/tools/testing/requirements.txt
+++ b/tools/testing/requirements.txt
@@ -4,9 +4,9 @@
 #
 #    pip-compile --generate-hashes tools/testing/requirements.txt
 #
-attrs==20.3.0 \
-    --hash=sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6 \
-    --hash=sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700
+attrs==21.2.0 \
+    --hash=sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1 \
+    --hash=sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb
     # via
     #   -r tools/testing/requirements.txt
     #   pytest