diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2471a9a..363ded8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,28 +18,29 @@ jobs:
             - name: Checkout code
               uses: actions/checkout@v4
 
-            - uses: mamba-org/setup-micromamba@v1
-              with:
-                  micromamba-version: "1.5.9-1" # any version from https://github.com/mamba-org/micromamba-releases
-                  init-shell: bash
-                  post-cleanup: "all"
+          - uses: mamba-org/setup-micromamba@v1
+            with:
+                micromamba-version: "1.5.9-1" # any version from https://github.com/mamba-org/micromamba-releases
+                channels: tcevaer, conda-forge, defaults
+                init-shell: bash
+                post-cleanup: "all"
 
-            - name: Create environment and install tools
-              run: micromamba create -n grdwind_env pytest conda-build boa python=3.10 -y
+          - name: Create environment and install tools
+            run: micromamba create -n grdwind_env pytest conda-build boa python=3.10 -y -c tcevaer -c conda-forge
 
-            - name: Build package
-              run: |
-                  cd recipe
-                  eval "$(micromamba shell hook --shell bash)"
-                  micromamba activate grdwind_env
-                  conda mambabuild .
+          - name: Build package
+            run: |
+                cd recipe
+                eval "$(micromamba shell hook --shell bash)"
+                micromamba activate grdwind_env
+                conda mambabuild . -c tcevaer -c conda-forge
 
-            # Install the built package into the environment
-            - name: Install the built package
-              run: |
-                  eval "$(micromamba shell hook --shell bash)"
-                  micromamba activate grdwind_env
-                  conda install --use-local grdwindinversion -y
+          # Install the built package into the environment
+          - name: Install the built package
+            run: |
+                eval "$(micromamba shell hook --shell bash)"
+                micromamba activate grdwind_env
+                conda install --use-local grdwindinversion -y -c tcevaer -c conda-forge
 
             # Cache the test data if previously downloaded (up to 10 GB limit for the cache)
             # WARNING : modify the key if the data is modified !!