diff --git a/pyproject.toml b/pyproject.toml
index 080f1d90..1f554101 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ dependencies = [
     "marshmallow>=3.13,<4.0",
     "websockets>=12.0",
     "nostr>=0.0.2",
+    "mdurl==0.1.2",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index f21b9dc8..b3f3170e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1204,11 +1204,11 @@ wheels = [
 
 [[package]]
 name = "mdurl"
-version = "0.1.3"
+version = "0.1.2"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/d6/54/cfe61301667036ec958cb99bd3efefba235e65cdeb9c84d24a8293ba1d90/mdurl-0.1.3.tar.gz", hash = "sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba", size = 8729 }
+sdist = { url = "https://files.pythonhosted.org/packages/d6/54/cfe61301667036ec958cb99bd3efefba235e65cdeb9c84d24a8293ba1d90/mdurl-0.1.2.tar.gz", hash = "sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba", size = 8729 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/b3/38/89ba8ad64ae25be8de66a6d463314cf1eb366222074cfda9ee839c56a4b4/mdurl-0.1.3-py3-none-any.whl", hash = "sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8", size = 9979 },
+    { url = "https://files.pythonhosted.org/packages/b3/38/89ba8ad64ae25be8de66a6d463314cf1eb366222074cfda9ee839c56a4b4/mdurl-0.1.2-py3-none-any.whl", hash = "sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8", size = 9979 },
 ]
 
 [[package]]
@@ -1793,6 +1793,7 @@ dependencies = [
     { name = "greenlet" },
     { name = "httpx", extra = ["socks"] },
     { name = "marshmallow" },
+    { name = "mdurl" },
     { name = "nostr" },
     { name = "python-json-logger" },
     { name = "secp256k1" },
@@ -1824,6 +1825,7 @@ requires-dist = [
     { name = "greenlet", specifier = ">=3.2.1" },
     { name = "httpx", extras = ["socks"], specifier = ">=0.25.2" },
     { name = "marshmallow", specifier = ">=3.13,<4.0" },
+    { name = "mdurl", specifier = "==0.1.2" },
     { name = "nostr", specifier = ">=0.0.2" },
     { name = "python-json-logger", specifier = ">=2.0.0" },
     { name = "secp256k1", git = "https://github.com/saschanaz/secp256k1-py?branch=upgrade060" },