diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9c2558b9..6cb696d9 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,11 +23,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: setup rust
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
 
       - name: setup Python
         uses: actions/setup-python@v5
@@ -37,10 +32,6 @@ jobs:
       - name: install nox
         run: python -m pip install nox
 
-      - name: install cp2k
-        if: matrix.example-name == 'cp2k_run_batch'
-        run: sudo apt-get install -y cp2k
-
       - name: build example
         run: nox -e ${{ matrix.example-name }}
 
@@ -56,11 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: setup rust
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
+
       - name: setup Python
         uses: actions/setup-python@v5
         with:
diff --git a/examples/gaas-map/environment.yml b/examples/gaas-map/environment.yml
index e71f3f2b..fddeb7ca 100644
--- a/examples/gaas-map/environment.yml
+++ b/examples/gaas-map/environment.yml
@@ -1,6 +1,9 @@
+channels:
+  - conda-forge
 dependencies:
   - python=3.11
   - pip
+  - rust
   - pip:
     - ase
     - chemiscope
diff --git a/examples/lode-linear/environment.yml b/examples/lode-linear/environment.yml
index 466cdff3..2a66a8ba 100644
--- a/examples/lode-linear/environment.yml
+++ b/examples/lode-linear/environment.yml
@@ -1,6 +1,9 @@
+channels:
+  - conda-forge
 dependencies:
   - python=3.11
   - pip
+  - rust
   - pip:
     - ase
     - equisolve @ git+https://github.com/lab-cosmo/equisolve.git@c858bedef4b2799eb445e4c92535ee387224089a
diff --git a/examples/roy-gch/environment.yml b/examples/roy-gch/environment.yml
index a226a737..95bed51e 100644
--- a/examples/roy-gch/environment.yml
+++ b/examples/roy-gch/environment.yml
@@ -1,6 +1,9 @@
+channels:
+  - conda-forge
 dependencies:
   - python=3.11
   - pip
+  - rust
   - pip:
     - ase
     - chemiscope
diff --git a/examples/sample-selection/environment.yml b/examples/sample-selection/environment.yml
index 0cccbca7..174b2733 100644
--- a/examples/sample-selection/environment.yml
+++ b/examples/sample-selection/environment.yml
@@ -1,6 +1,9 @@
+channels:
+  - conda-forge
 dependencies:
   - python=3.11
   - pip
+  - rust
   - pip:
     - ase
     - chemiscope