diff --git a/pyproject.toml b/pyproject.toml
index 626c2fc..805b10b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ dependencies = [
     "httpx==0.28.1",
     "idna==3.18",
     "pycparser==3.0",
-    "typing_extensions==4.16.0",
+    "typing_extensions==4.15.0",
 ]
 
 [project.urls]
diff --git a/requirements.txt b/requirements.txt
index 7162a34..aadf762 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ httpcore==1.0.9
 httpx==0.28.1
 idna==3.18
 pycparser==3.0
-typing_extensions==4.16.0
+typing_extensions==4.15.0