diff --git a/pyproject.toml b/pyproject.toml
index 933b59d4..85e5e27b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,7 +61,7 @@ optional-dependencies.dev = [
     "pyroma==5.0.1",
     "pytest==9.0.3",
     "pytest-asyncio==1.3.0",
-    "pytest-beartype-tests",
+    "pytest-beartype-tests==2026.4.20",
     "pytest-cov==7.1.0",
     "pyyaml==6.0.3",
     "ruff==0.15.11",
@@ -118,7 +118,6 @@ bdist_wheel.universal = true
 version_scheme = "post-release"
 
 [tool.uv]
-sources.pytest-beartype-tests = { git = "https://github.com/adamtheturtle/pytest-beartype-tests.git", rev = "bc81d99" }
 sources.torch = { index = "pytorch-cpu" }
 sources.torchvision = { index = "pytorch-cpu" }
 index = [ { name = "pytorch-cpu", url = "https://download.pytorch.org/whl/cpu", explicit = true } ]