diff --git a/.github/workflows/beta.yaml b/.github/workflows/beta.yaml
index 3d09f7e8..3257d22e 100644
--- a/.github/workflows/beta.yaml
+++ b/.github/workflows/beta.yaml
@@ -37,6 +37,7 @@ jobs:
     - name: Install conda environment
       uses: mamba-org/setup-micromamba@v1
       with:
+        micromamba-version: '1.5.10-0'
         environment-file: devtools/conda-envs/beta_env.yaml
         create-args: >-
           python=${{ matrix.python-version }}
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 60858b97..ff4cb476 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -47,6 +47,7 @@ jobs:
     - name: Install conda environment
       uses: mamba-org/setup-micromamba@v1
       with:
+        micromamba-version: '1.5.10-0'
         environment-file: devtools/conda-envs/test_env.yaml
         create-args: >-
           python=${{ matrix.python-version }}
diff --git a/.github/workflows/examples.yaml b/.github/workflows/examples.yaml
index 9cfa1ab0..0a3d8bb4 100644
--- a/.github/workflows/examples.yaml
+++ b/.github/workflows/examples.yaml
@@ -39,6 +39,7 @@ jobs:
     - name: Install conda environment
       uses: mamba-org/setup-micromamba@v1
       with:
+        micromamba-version: '1.5.10-0'
         environment-file: devtools/conda-envs/examples_env.yaml
         create-args: >-
           python=${{ matrix.python-version }}