diff --git a/pyproject.toml b/pyproject.toml
index e6cbd53..db613fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ dev = [
   "logfire>=4.1.0",
   "opentelemetry-instrumentation-httpx>=0.57b0",
   "pydantic-ai-slim[openai]>=1.39.0",
-  "pyright==1.1.406",  # 407 has a regression
+  "pyright>=1.1.408",  # 407 has a regression
   "pytest>=8.3.5",
   "pytest-asyncio>=0.26.0",
   "pytest-mock>=3.14.0",
@@ -90,5 +90,5 @@ known_local_folder = ["conftest"]
 [dependency-groups]
 dev = [
     "isort>=7.0.0",
-    "pyright==1.1.406",
+    "pyright>=1.1.408",
 ]
diff --git a/uv.lock b/uv.lock
index e2000b8..1318bd5 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1379,15 +1379,15 @@ wheels = [
 
 [[package]]
 name = "pyright"
-version = "1.1.406"
+version = "1.1.408"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "nodeenv" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f7/16/6b4fbdd1fef59a0292cbb99f790b44983e390321eccbc5921b4d161da5d1/pyright-1.1.406.tar.gz", hash = "sha256:c4872bc58c9643dac09e8a2e74d472c62036910b3bd37a32813989ef7576ea2c", size = 4113151, upload-time = "2025-10-02T01:04:45.488Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/74/b2/5db700e52554b8f025faa9c3c624c59f1f6c8841ba81ab97641b54322f16/pyright-1.1.408.tar.gz", hash = "sha256:f28f2321f96852fa50b5829ea492f6adb0e6954568d1caa3f3af3a5f555eb684", size = 4400578, upload-time = "2026-01-08T08:07:38.795Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f6/a2/e309afbb459f50507103793aaef85ca4348b66814c86bc73908bdeb66d12/pyright-1.1.406-py3-none-any.whl", hash = "sha256:1d81fb43c2407bf566e97e57abb01c811973fdb21b2df8df59f870f688bdca71", size = 5980982, upload-time = "2025-10-02T01:04:43.137Z" },
+    { url = "https://files.pythonhosted.org/packages/0c/82/a2c93e32800940d9573fb28c346772a14778b84ba7524e691b324620ab89/pyright-1.1.408-py3-none-any.whl", hash = "sha256:090b32865f4fdb1e0e6cd82bf5618480d48eecd2eb2e70f960982a3d9a4c17c1", size = 6399144, upload-time = "2026-01-08T08:07:37.082Z" },
 ]
 
 [[package]]
@@ -1865,7 +1865,7 @@ requires-dist = [
     { name = "pydantic", specifier = ">=2.11.4" },
     { name = "pydantic-ai-slim", extras = ["openai"], marker = "extra == 'dev'", specifier = ">=1.39.0" },
     { name = "pyreadline3", marker = "sys_platform == 'win32'", specifier = ">=3.5.4" },
-    { name = "pyright", marker = "extra == 'dev'", specifier = "==1.1.406" },
+    { name = "pyright", marker = "extra == 'dev'", specifier = ">=1.1.408" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=8.3.5" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.26.0" },
     { name = "pytest-mock", marker = "extra == 'dev'", specifier = ">=3.14.0" },
@@ -1879,7 +1879,7 @@ provides-extras = ["dev"]
 [package.metadata.requires-dev]
 dev = [
     { name = "isort", specifier = ">=7.0.0" },
-    { name = "pyright", specifier = "==1.1.406" },
+    { name = "pyright", specifier = ">=1.1.408" },
 ]
 
 [[package]]