diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index e3c2ca2..2864d2c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -11,25 +11,47 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
+    defaults:
+      run:
+        shell: bash -el {0}
+
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+      - name: Setup Mambaforge
+        uses: conda-incubator/setup-miniconda@v3
         with:
-          python-version: '3.11'
-
-      - name: Install Poetry
-        run: |
-          pip install poetry
-
-      - name: Configure Poetry
-        run: |
-          poetry config virtualenvs.create false
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
+          activate-environment: climateset
+          use-mamba: true
+
+      - name: Get Date
+        id: get-date
+        run: echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Cache Conda env
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.CONDA }}/envs
+          key:
+            conda-${{ runner.os }}--${{ runner.arch }}--${{
+            steps.get-date.outputs.today }}-${{
+            hashFiles('etc/example-environment-caching.yml') }}-${{ env.CACHE_NUMBER
+            }}
+        env:
+          CACHE_NUMBER: 0
+        id: cache
+
+      - name: Update environment
+        run:
+          mamba env update -n climateset -f environment.yml
+        if: steps.cache.outputs.cache-hit != 'true'
 
       - name: Install dependencies
         run: |
-          make install
+          make CONDA_TOOL=mamba install
 
       - name: Run linting checks
         run: |
diff --git a/.github/workflows/precommit.yml b/.github/workflows/precommit.yml
index 49957cb..a248e70 100644
--- a/.github/workflows/precommit.yml
+++ b/.github/workflows/precommit.yml
@@ -11,25 +11,47 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
 
+    defaults:
+      run:
+        shell: bash -el {0}
+
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python 3.11
-        uses: actions/setup-python@v5
+      - name: Setup Mambaforge
+        uses: conda-incubator/setup-miniconda@v3
         with:
-          python-version: '3.11'
-
-      - name: Install Poetry
-        run: |
-          pip install poetry
-
-      - name: Configure Poetry
-        run: |
-          poetry config virtualenvs.create false
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
+          activate-environment: climateset
+          use-mamba: true
+
+      - name: Get Date
+        id: get-date
+        run: echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Cache Conda env
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.CONDA }}/envs
+          key:
+            conda-${{ runner.os }}--${{ runner.arch }}--${{
+            steps.get-date.outputs.today }}-${{
+            hashFiles('etc/example-environment-caching.yml') }}-${{ env.CACHE_NUMBER
+            }}
+        env:
+          CACHE_NUMBER: 0
+        id: cache
+
+      - name: Update environment
+        run:
+          mamba env update -n climateset -f environment.yml
+        if: steps.cache.outputs.cache-hit != 'true'
 
       - name: Install dependencies
         run: |
-          make install
+          make CONDA_TOOL=mamba install
 
       - name: Run Pre-commit checks
         run: |