diff --git a/pyproject.toml b/pyproject.toml
index 426be4d..c043fed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dev = [
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     "httpx>=0.28.1,<0.29",
     "flake8>=7.1.1,<8",
-    "black>=25.1.0,<26",
+    "black>=26.3.1,<27",
     "pre-commit>=4.3.0",
 ]
 cli = [
diff --git a/uv.lock b/uv.lock
index a620a6f..9de35df 100644
--- a/uv.lock
+++ b/uv.lock
@@ -44,7 +44,7 @@ wheels = [
 
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+version = "26.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
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@@ -54,19 +54,19 @@ dependencies = [
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