diff --git a/pyproject.toml b/pyproject.toml
index ee88a50..00818e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,7 @@ dev = [
 integration-test = [
     {include-group = "test"},
     "asyncio>=4.0.0",
+    "pydantic>=2.12.0",
     "soundfile>=0.13.1",
     "zmq>=0.0.0",
 ]
diff --git a/uv.lock b/uv.lock
index 1c53b3f..975edb3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1365,6 +1365,7 @@ dev = [
 ]
 integration-test = [
     { name = "asyncio" },
+    { name = "pydantic" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-cov" },
@@ -1407,6 +1408,7 @@ dev = [
 ]
 integration-test = [
     { name = "asyncio", specifier = ">=4.0.0" },
+    { name = "pydantic", specifier = ">=2.12.0" },
     { name = "pytest", specifier = ">=8.4.2" },
     { name = "pytest-asyncio", specifier = ">=1.2.0" },
     { name = "pytest-cov", specifier = ">=7.0.0" },