diff --git a/pyproject.toml b/pyproject.toml
index ec6652c..3b6bb48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,11 +41,11 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest>=7.0.0",
-    "black>=22.0.0",
-    "isort>=5.0.0",
+    "black>=26.5.1",
+    "isort>=8.0.1",
     "flake8>=5.0.0",
-    "mypy>=0.9.0",
-    "types-PyYAML>=6.0.0",
+    "mypy>=2.3.0",
+    "types-PyYAML>=6.0.12.20260724",
 ]
 test = [
     "pytest>=7.0.0",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ac8cfe4..fc35b2a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,8 +1,8 @@
-black==25.1.0
-isort==6.0.1
+black==26.5.1
+isort==8.0.1
 flake8==7.3.0
-mypy==1.17.1
-types-PyYAML==6.0.12.20250809
+mypy==2.3.0
+types-PyYAML==6.0.12.20260724
 types-click==7.1.8
-build==1.3.0
-wheel==0.45.1
+build==1.5.0
+wheel==0.48.0