diff --git a/pyproject.toml b/pyproject.toml
index 2bf1545..2df8ff3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
 dev = [
     "pytest==9.1.1",
     "flake8==7.3.0",
-    "black==26.3.1",
+    "black==26.5.1",
     "isort==5.13.2",
     "mypy==2.1.0",
 ]
diff --git a/requirements.txt b/requirements.txt
index 5aa28bb..be479ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,6 @@ sentry-sdk==2.63.0
 
 # Development dependencies
 flake8==7.3.0
-black==26.3.1
+black==26.5.1
 isort==5.13.2
 mypy==2.1.0