diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 70651e0c9..aabb0e5fd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,10 +2,11 @@ name: 'tests'
 on:
   push:
     branches:
-      - '*'
+      - 'main'
   pull_request:
     branches:
       - '*'
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.type }}
   cancel-in-progress: true
@@ -63,7 +64,7 @@ jobs:
       # - run: pip install --upgrade --pre --force --only-binary=":all:" --index-url "https://pypi.anaconda.org/scientific-python-nightly-wheels/simple" "numpy>=2.0.0rc1" scipy h5py matplotlib pandas scikit-learn statsmodels "tables>=3.9.3.dev0"
       #   if: matrix.mne == 'dev' && startsWith(matrix.os, 'ubuntu')
       #   name: Install numpy, scipy, nilearn pre
-      - run: pip install -ve .
+      - run: pip install -ve . "numpy<2"
       - run: mne sys_info
       - run: ./tools/get_testing_version.sh
         working-directory: mne-python
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 323da6068..093d949a7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 repos:
   # Ruff mne
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.8
+    rev: v0.4.9
     hooks:
       - id: ruff
         args: ["--fix"]
diff --git a/environment.yml b/environment.yml
index 8257e9be1..01dd18ed3 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,6 +4,8 @@ channels:
 dependencies:
 - python>=3.9
 - pip
+- conda
+- mamba
 - mne
 - nilearn
 - statsmodels