diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef4fa67..6ad8718 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 4.1.0 (2026-02-17)
+
+### Feat
+
+- convert all voluptuous schemas to msgspec
+
 ## 4.0.2 (2026-02-06)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index 4856b60..45b110a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "mozilla-taskgraph"
-version = "4.0.2"
+version = "4.1.0"
 description = "Mozilla specific transforms and utilities for Taskgraph"
 readme = "README.md"
 authors = [
@@ -20,7 +20,7 @@ classifiers = [
 ]
 requires-python = ">=3.9"
 dependencies = [
-  "taskcluster-taskgraph @ git+https://github.com/taskcluster/taskgraph@main",
+  "taskcluster-taskgraph>=19.1,<20",
 ]
 
 [project.urls]
@@ -47,9 +47,6 @@ docs = [
 [tool.uv.dependency-groups]
 docs = {requires-python = ">=3.12"}
 
-[tool.hatch.metadata]
-allow-direct-references = true
-
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"
diff --git a/uv.lock b/uv.lock
index c03f433..7bf37de 100644
--- a/uv.lock
+++ b/uv.lock
@@ -792,7 +792,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.12'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
 wheels = [
@@ -1214,7 +1214,7 @@ wheels = [
 
 [[package]]
 name = "mozilla-taskgraph"
-version = "4.0.2"
+version = "4.1.0"
 source = { editable = "." }
 dependencies = [
     { name = "taskcluster-taskgraph" },
@@ -1240,7 +1240,7 @@ docs = [
 ]
 
 [package.metadata]
-requires-dist = [{ name = "taskcluster-taskgraph", git = "https://github.com/taskcluster/taskgraph?rev=main" }]
+requires-dist = [{ name = "taskcluster-taskgraph", specifier = ">=19.1,<20" }]
 
 [package.metadata.requires-dev]
 dev = [
@@ -2086,8 +2086,8 @@ wheels = [
 
 [[package]]
 name = "taskcluster-taskgraph"
-version = "19.0.0"
-source = { git = "https://github.com/taskcluster/taskgraph?rev=main#a1a77e1bf21463e11baecf5035839a2c86f79949" }
+version = "19.1.0"
+source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "appdirs" },
     { name = "cookiecutter" },
@@ -2103,6 +2103,10 @@ dependencies = [
     { name = "taskcluster-urls" },
     { name = "voluptuous" },
 ]
+sdist = { url = "https://files.pythonhosted.org/packages/3e/f2/969fffd43c7c35c1160018bd5f90fb09e3e14be8b67ee78959fbfac531a2/taskcluster_taskgraph-19.1.0.tar.gz", hash = "sha256:a99d08021afb4e9d7006619a9bccbdbf70a84e93f8b62dce66f1b4e2032f1c6f", size = 555937, upload-time = "2026-02-17T21:44:11.249Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/85/f5/0ada15b6b972c3a23b9c47211e3a97d10615326e507f005e35f6f7dbd757/taskcluster_taskgraph-19.1.0-py3-none-any.whl", hash = "sha256:832f1151402bc05b72da1fdd9cd37b294819bee140e36073262ffc897b68dac3", size = 206626, upload-time = "2026-02-17T21:44:09.902Z" },
+]
 
 [[package]]
 name = "taskcluster-urls"