diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9d88ff0c5..b21b791e9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -173,7 +173,7 @@ jobs:
         run: |
           set -eux
           cp ./jupytergis_core/dist/jupytergis*.whl ./jupytergis_lab/dist/jupytergis*.whl ./jupytergis_qgis/dist/jupytergis*.whl .
-          python -m pip install jupytergis*.whl
+          python -m pip install jupytergis*.whl "jupyter-collaboration>=3,<4"
 
       - name: Install dependencies
         shell: bash -l {0}
diff --git a/python/jupytergis/pyproject.toml b/python/jupytergis/pyproject.toml
index d0613ab08..55041200c 100644
--- a/python/jupytergis/pyproject.toml
+++ b/python/jupytergis/pyproject.toml
@@ -22,6 +22,7 @@ dependencies = [
   "jupytergis_core>=0.1.0,<1",
   "jupytergis_lab>=0.1.0,<1",
   "jupytergis_qgis>=0.1.0,<1",
+  "jupyter-collaboration>=3,<4",
 ]
 dynamic = ["version"]
 license = {file = "LICENSE"}
diff --git a/python/jupytergis_core/pyproject.toml b/python/jupytergis_core/pyproject.toml
index 772b86bf3..7c516249d 100644
--- a/python/jupytergis_core/pyproject.toml
+++ b/python/jupytergis_core/pyproject.toml
@@ -20,7 +20,6 @@ classifiers = [
 ]
 dependencies = [
   "jupyter-ydoc>=2,<3",
-  "jupyter-collaboration>=3,<4",
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]
 license = {file = "LICENSE"}
diff --git a/python/jupytergis_lab/pyproject.toml b/python/jupytergis_lab/pyproject.toml
index c4a03e25f..aa116a00b 100644
--- a/python/jupytergis_lab/pyproject.toml
+++ b/python/jupytergis_lab/pyproject.toml
@@ -28,7 +28,6 @@ dependencies = [
   "jupyter_server>=2.0.1,<3",
   "jupyter-ydoc>=2,<3",
   "jupyterlab>=4.3,<5",
-  "jupyter-collaboration>=3,<4",
   "ypywidgets>=0.9.0,<0.10.0",
   "yjs-widgets>=0.3.5,<0.4",
   "comm>=0.1.2,<0.2.0",
diff --git a/python/jupytergis_qgis/pyproject.toml b/python/jupytergis_qgis/pyproject.toml
index 15a2b5454..a1d6e1457 100644
--- a/python/jupytergis_qgis/pyproject.toml
+++ b/python/jupytergis_qgis/pyproject.toml
@@ -25,7 +25,6 @@ classifiers = [
 dependencies = [
   "jupyter_server>=2.0.1,<3",
   "jupyter-ydoc>=2,<3",
-  "jupyter-collaboration>=3,<4",
   "jupytergis_lab"
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]
diff --git a/requirements-build.txt b/requirements-build.txt
index 48a1c1303..853853fcf 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -1,6 +1,7 @@
 # minimum needed to build jupytergis.
 datamodel-code-generator>=0.23.0
 hatchling>=1.5.0,<2
+jupyter-collaboration>=3,<4
 jupyterlab>=4,<5
 mercantile>=1.2
 pillow>=10