diff --git a/pyproject.toml b/pyproject.toml
index 0e0114aaa..bc63ec921 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dev = [
     "pre-commit",
     "pydata-sphinx-theme>=0.15.4",
     "pytest",
-    "pyright<1.1.407",             # https://github.com/bluesky/scanspec/issues/190
+    "pyright!=1.1.407",             # https://github.com/bluesky/scanspec/issues/190
     "pytest-cov",
     "pytest-asyncio",
     "responses",
diff --git a/uv.lock b/uv.lock
index 8686c7118..efbb556aa 100644
--- a/uv.lock
+++ b/uv.lock
@@ -521,7 +521,7 @@ dev = [
     { name = "myst-parser" },
     { name = "pre-commit" },
     { name = "pydata-sphinx-theme", specifier = ">=0.15.4" },
-    { name = "pyright", specifier = "<1.1.407" },
+    { name = "pyright", specifier = "!=1.1.407" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-cov" },
@@ -4165,15 +4165,15 @@ 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]]