diff --git a/binder/environment.yml b/binder/environment.yml
index e305c297..995e8563 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -1,12 +1,12 @@
 name: ipydatagrid
 channels:
-- conda-forge
+  - conda-forge
 dependencies:
-- ipywidgets=7.6
-- jupyterlab=3
-- numpy
-- nodejs
-- pandas
-- pip
-- pip:
-  - ..
+  - ipywidgets=8.0
+  - jupyterlab=3
+  - numpy
+  - nodejs
+  - pandas
+  - pip
+  - pip:
+      - ..
diff --git a/test-environment-ipyw7.yaml b/test-environment-ipyw7.yaml
index d9dc242e..79227aa1 100644
--- a/test-environment-ipyw7.yaml
+++ b/test-environment-ipyw7.yaml
@@ -1,24 +1,24 @@
 name: ipydatagrid-test
 channels:
-    - conda-forge
+  - conda-forge
 dependencies:
-    - pip
-    - python
-    - nodejs=14
-    - yarn
-    - ipywidgets >=5.2.2
-    - traitlets >=4.3.0
-    - traittypes >=0.0.6
-    - numpy >=1.10.4,<2.0.0
-    - pandas >=1.0.0,<2.0.0
-    - bqplot
-    - scipy
-    - jupyterlab
-    - jupyter-packaging
-    - pytest
-    - nbval
-    - pytest-cov
-    - selenium
-    - flake8
-    - nose
-    - codespell
+  - pip
+  - python
+  - nodejs=14
+  - yarn
+  - ipywidgets >=7.6.0,<8
+  - traitlets >=4.3.0
+  - traittypes >=0.0.6
+  - numpy >=1.10.4,<2.0.0
+  - pandas >=1.0.0,<2.0.0
+  - bqplot
+  - scipy
+  - jupyterlab
+  - jupyter-packaging
+  - pytest
+  - nbval
+  - pytest-cov
+  - selenium
+  - flake8
+  - nose
+  - codespell
diff --git a/test-environment-ipyw8.yaml b/test-environment-ipyw8.yaml
index 6bf7bbb0..86368c6d 100644
--- a/test-environment-ipyw8.yaml
+++ b/test-environment-ipyw8.yaml
@@ -6,7 +6,7 @@ dependencies:
   - python
   - nodejs=14
   - yarn
-  - ipywidgets >=6.0.0
+  - ipywidgets >=8.0.0,<9
   - traitlets >=4.3.0
   - traittypes >=0.0.6
   - numpy >=1.10.4,<2.0.0