diff --git a/pyproject.toml b/pyproject.toml
index adb4058..2046fa9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dev = [
     "pytest-asyncio>=0.23,<0.24",
     "httpx>=0.27,<0.28",
     "black>=24.4,<25.0",
-    "isort>=5.13,<6.0",
+    "isort>=5.13,<7.0",
     "coverage[toml]>=7.5,<8.0",
 ]