diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5a057b48..42320998 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install "jupyterlab>=4.0.0,<5"
+          pip install "jupyterlab>=4.2.0a1,<5"
           pip install -e .
           jlpm
 
@@ -68,7 +68,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install "jupyterlab>=4.0.0,<5"
+          pip install "jupyterlab>=4.2.0a1,<5"
           pip install -e .
           jlpm
 
@@ -103,7 +103,7 @@ jobs:
 
       - name: Install the Python dependencies
         run: |
-          python -m pip install "jupyterlab>=4.0.0,<5"
+          python -m pip install "jupyterlab>=4.2.0a1,<5"
           pip install -e ".[test]" codecov
 
       - name: List installed packages
@@ -216,7 +216,7 @@ jobs:
           mkdir test
           tar --strip-components=1 -zxvf *.tar.gz -C ./test
           cd test
-          python -m pip install "jupyterlab>=4.0.0,<5"
+          python -m pip install "jupyterlab>=4.2.0a1,<5"
           python -m pip install ".[test]"
           echo "::endgroup::"
 
@@ -256,7 +256,7 @@ jobs:
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install dependencies
         run: |
-          pip install jupyterlab .
+          pip install "jupyterlab>=4.2.0a1,<5" .
       - name: Install playwright
         env:
           PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
diff --git a/packages/collaboration-extension/package.json b/packages/collaboration-extension/package.json
index 96588165..67fcdfdd 100644
--- a/packages/collaboration-extension/package.json
+++ b/packages/collaboration-extension/package.json
@@ -55,7 +55,7 @@
   "dependencies": {
     "@jupyter/collaboration": "^2.0.3",
     "@jupyter/docprovider": "^2.0.3",
-    "@jupyter/ydoc": "^1.1.0-a0",
+    "@jupyter/ydoc": "^2.0.1",
     "@jupyterlab/application": "^4.0.5",
     "@jupyterlab/apputils": "^4.0.5",
     "@jupyterlab/codemirror": "^4.0.5",
diff --git a/packages/docprovider/package.json b/packages/docprovider/package.json
index b49662fb..b89a23dc 100644
--- a/packages/docprovider/package.json
+++ b/packages/docprovider/package.json
@@ -41,7 +41,7 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyter/ydoc": "^1.1.0-a0",
+    "@jupyter/ydoc": "^2.0.1",
     "@jupyterlab/coreutils": "^6.0.5",
     "@jupyterlab/services": "^7.0.5",
     "@lumino/coreutils": "^2.1.0",
diff --git a/yarn.lock b/yarn.lock
index ad5f06b2..f66c2956 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2035,7 +2035,7 @@ __metadata:
   dependencies:
     "@jupyter/collaboration": ^2.0.3
     "@jupyter/docprovider": ^2.0.3
-    "@jupyter/ydoc": ^1.1.0-a0
+    "@jupyter/ydoc": ^2.0.1
     "@jupyterlab/application": ^4.0.5
     "@jupyterlab/apputils": ^4.0.5
     "@jupyterlab/builder": ^4.0.5
@@ -2090,7 +2090,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@jupyter/docprovider@workspace:packages/docprovider"
   dependencies:
-    "@jupyter/ydoc": ^1.1.0-a0
+    "@jupyter/ydoc": ^2.0.1
     "@jupyterlab/coreutils": ^6.0.5
     "@jupyterlab/services": ^7.0.5
     "@jupyterlab/testing": ^4.0.5
@@ -2144,9 +2144,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyter/ydoc@npm:^1.1.0-a0":
-  version: 1.1.0-a0
-  resolution: "@jupyter/ydoc@npm:1.1.0-a0"
+"@jupyter/ydoc@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "@jupyter/ydoc@npm:2.0.1"
   dependencies:
     "@jupyterlab/nbformat": ^3.0.0 || ^4.0.0-alpha.21 || ^4.0.0
     "@lumino/coreutils": ^1.11.0 || ^2.0.0
@@ -2154,7 +2154,7 @@ __metadata:
     "@lumino/signaling": ^1.10.0 || ^2.0.0
     y-protocols: ^1.0.5
     yjs: ^13.5.40
-  checksum: 0099bacb2884a460867658e7f5a944e4d6eca7c4d3d68a6b31102be77d8fc9b6ba162af55c20f81c70f7fef4e9d9329eee4da32063c0caa0c6e3f10a488f95b5
+  checksum: f5f29e1ff3327ebc1cf326f53634e03c4c7bf7733d235087fe26975c16eebd404f23c2f3ba88b6e04b1927846be7162b09b8b8719a4b29e51d0299c745018cbb
   languageName: node
   linkType: hard