diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index 07fe7ef6256..b9a8d773c5a 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -22,7 +22,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up conda environment
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
diff --git a/.github/workflows/ci-additional.yaml b/.github/workflows/ci-additional.yaml
index bdae56ae6db..a2e3734f534 100644
--- a/.github/workflows/ci-additional.yaml
+++ b/.github/workflows/ci-additional.yaml
@@ -53,7 +53,7 @@ jobs:
           echo "TODAY=$(date  +'%Y-%m-%d')" >> $GITHUB_ENV
 
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
@@ -100,7 +100,7 @@ jobs:
         run: |
           echo "TODAY=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
@@ -156,7 +156,7 @@ jobs:
         run: |
           echo "TODAY=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ${{env.CONDA_ENV_FILE}}
           environment-name: xarray-tests
@@ -212,7 +212,7 @@ jobs:
           fetch-depth: 0 # Fetch all history for all branches and tags.
 
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-name: xarray-tests
           environment-file: false
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 64aae44e56c..ab4b8f0c26a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -86,7 +86,7 @@ jobs:
           echo "PYTHON_VERSION=${{ matrix.python-version }}" >> $GITHUB_ENV
 
       - name: Setup micromamba
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ${{ env.CONDA_ENV_FILE }}
           environment-name: xarray-tests
diff --git a/.github/workflows/upstream-dev-ci.yaml b/.github/workflows/upstream-dev-ci.yaml
index 68bd0c15067..c7ccee73414 100644
--- a/.github/workflows/upstream-dev-ci.yaml
+++ b/.github/workflows/upstream-dev-ci.yaml
@@ -54,7 +54,7 @@ jobs:
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Set up conda environment
-        uses: mamba-org/provision-with-micromamba@v14
+        uses: mamba-org/provision-with-micromamba@v15
         with:
           environment-file: ci/requirements/environment.yml
           environment-name: xarray-tests