diff --git a/noxfile.py b/noxfile.py
index 848243eac4..3e598a99da 100755
--- a/noxfile.py
+++ b/noxfile.py
@@ -190,7 +190,7 @@ def black(session: nox.sessions.Session):
 
     """
     # Pip install the session requirements.
-    session.install("black==21.5b1")
+    session.install("black==21.5b2")
     # Execute the black format checker on the package.
     session.run("black", "--check", PACKAGE)
     # Execute the black format checker on this file.
diff --git a/requirements/ci/py36.yml b/requirements/ci/py36.yml
index 1543075948..f5a2e0a765 100644
--- a/requirements/ci/py36.yml
+++ b/requirements/ci/py36.yml
@@ -34,7 +34,7 @@ dependencies:
 
 # Test dependencies.
   - asv
-  - black=21.5b1
+  - black=21.5b2
   - filelock
   - flake8
   - imagehash>=4.0
diff --git a/requirements/ci/py37.yml b/requirements/ci/py37.yml
index b7d0ff4157..52d4f27926 100644
--- a/requirements/ci/py37.yml
+++ b/requirements/ci/py37.yml
@@ -34,7 +34,7 @@ dependencies:
 
 # Test dependencies.
   - asv
-  - black=21.5b1
+  - black=21.5b2
   - filelock
   - flake8
   - imagehash>=4.0
diff --git a/requirements/ci/py38.yml b/requirements/ci/py38.yml
index 7458b367cd..42b8a061d0 100644
--- a/requirements/ci/py38.yml
+++ b/requirements/ci/py38.yml
@@ -34,7 +34,7 @@ dependencies:
 
 # Test dependencies.
   - asv
-  - black=21.5b1
+  - black=21.5b2
   - filelock
   - flake8
   - imagehash>=4.0
diff --git a/requirements/test.txt b/requirements/test.txt
index 32c8db4d0a..8a720c3e78 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -1,7 +1,7 @@
 # Test dependencies.
 
 asv
-black==21.5b1
+black==21.5b2
 filelock
 imagehash>=4.0
 nose