diff --git a/pyproject.toml b/pyproject.toml
index 942f56e..8b89d45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "httpcore>=1.0.9",
     "httptools>=0.6.4",
     "httpx>=0.28.1",
-    "idna>=3.10",
+    "idna>=3.15",
     "ifaddr>=0.2.0",
     "itsdangerous>=2.2.0",
     "jinja2>=3.1.6",
diff --git a/uv.lock b/uv.lock
index 679723f..bb2226e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -438,11 +438,11 @@ wheels = [
 
 [[package]]
 name = "idna"
-version = "3.10"
+version = "3.15"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/f1/70/7703c29685631f5a7590aa73f1f1d3fa9a380e654b86af429e0934a32f7d/idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9", size = 190490, upload-time = "2024-09-15T18:07:39.745Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/82/77/7b3966d0b9d1d31a36ddf1746926a11dface89a83409bf1483f0237aa758/idna-3.15.tar.gz", hash = "sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc", size = 199245, upload-time = "2026-05-12T22:45:57.011Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/76/c6/c88e154df9c4e1a2a66ccf0005a88dfb2650c1dffb6f5ce603dfbd452ce3/idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3", size = 70442, upload-time = "2024-09-15T18:07:37.964Z" },
+    { url = "https://files.pythonhosted.org/packages/d2/23/408243171aa9aaba178d3e2559159c24c1171a641aa83b67bdd3394ead8e/idna-3.15-py3-none-any.whl", hash = "sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8", size = 72340, upload-time = "2026-05-12T22:45:55.733Z" },
 ]
 
 [[package]]
@@ -1078,7 +1078,7 @@ requires-dist = [
     { name = "httpcore", specifier = ">=1.0.9" },
     { name = "httptools", specifier = ">=0.6.4" },
     { name = "httpx", specifier = ">=0.28.1" },
-    { name = "idna", specifier = ">=3.10" },
+    { name = "idna", specifier = ">=3.15" },
     { name = "ifaddr", specifier = ">=0.2.0" },
     { name = "itsdangerous", specifier = ">=2.2.0" },
     { name = "jinja2", specifier = ">=3.1.6" },