diff --git a/pyproject.toml b/pyproject.toml
index 30b78d4..68c5fbe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "eth-utils==6.0.0",
     "frozenlist==1.8.0",
     "hexbytes==1.3.1",
-    "idna==3.13",
+    "idna==3.15",
     "marshmallow==3.26.2",
     "multidict==6.7.1",
     "ndjson==0.3.1",
diff --git a/uv.lock b/uv.lock
index 674fce5..67dff62 100644
--- a/uv.lock
+++ b/uv.lock
@@ -7,7 +7,7 @@ resolution-markers = [
 ]
 
 [options]
-exclude-newer = "2026-05-08T11:17:38.108858126Z"
+exclude-newer = "0001-01-01T00:00:00Z" # This has no effect and is included for backwards compatibility when using relative exclude-newer values.
 exclude-newer-span = "P1W"
 
 [[package]]
@@ -866,11 +866,11 @@ wheels = [
 
 [[package]]
 name = "idna"
-version = "3.13"
+version = "3.15"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/ce/cc/762dfb036166873f0059f3b7de4565e1b5bc3d6f28a414c13da27e442f99/idna-3.13.tar.gz", hash = "sha256:585ea8fe5d69b9181ec1afba340451fba6ba764af97026f92a91d4eef164a242", size = 194210, upload-time = "2026-04-22T16:42:42.314Z" }
+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/5d/13/ad7d7ca3808a898b4612b6fe93cde56b53f3034dcde235acb1f0e1df24c6/idna-3.13-py3-none-any.whl", hash = "sha256:892ea0cde124a99ce773decba204c5552b69c3c67ffd5f232eb7696135bc8bb3", size = 68629, upload-time = "2026-04-22T16:42:40.909Z" },
+    { 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]]
@@ -1162,7 +1162,7 @@ requires-dist = [
     { name = "eth-utils", specifier = "==6.0.0" },
     { name = "frozenlist", specifier = "==1.8.0" },
     { name = "hexbytes", specifier = "==1.3.1" },
-    { name = "idna", specifier = "==3.13" },
+    { name = "idna", specifier = "==3.15" },
     { name = "marshmallow", specifier = "==3.26.2" },
     { name = "mdformat", marker = "extra == 'dev'", specifier = "==1.0.0" },
     { name = "multidict", specifier = "==6.7.1" },