diff --git a/requirements.txt b/requirements.txt
index 6dc8be727846326f2bfb077f1520caf21dc254c5..320d02f35762b99ebf4234db6f9095ac3444e68e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,4 +31,3 @@ ome_zarr>=0.9.0
 dask-image>=2024.5.3
 trimesh>=4.4.9
 slgbuilder>=0.2.1
-testbook>=0.4.2
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6e08fb937e85d9ed8c028cdeacfea7a282b888fa..04e3c4ff65f978e3819145dff45b78896032664f 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,2 +1,3 @@
 pre-commit>=4.1.0
-ruff>=0.9.3
\ No newline at end of file
+ruff>=0.9.3
+testbook>=0.4.2
\ No newline at end of file