diff --git a/.github/workflows/build_pkg.yml b/.github/workflows/build_pkg.yml
index e6b690813..379516a95 100644
--- a/.github/workflows/build_pkg.yml
+++ b/.github/workflows/build_pkg.yml
@@ -41,7 +41,7 @@ jobs:
           fetch-depth: 0 # Fetch all history for all tags and branches
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./devtools/conda.recipe/build_env.yml
           environment-name: build_env
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 156c4e416..d41363b73 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -47,7 +47,7 @@ jobs:
           fetch-depth: 0 # Fetch all history for all tags and branches
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./doc/rtd_environment.yml
           environment-name: rtd
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 3588e9b4e..bb0f167da 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -47,7 +47,7 @@ jobs:
           build_system: 'include'
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./environment.yml
           environment-name: weldx
@@ -147,7 +147,7 @@ jobs:
           build_system: 'include'
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./environment.yml
           environment-name: weldx
diff --git a/.github/workflows/pytest_asdf.yml b/.github/workflows/pytest_asdf.yml
index e16d32052..145df5ad9 100644
--- a/.github/workflows/pytest_asdf.yml
+++ b/.github/workflows/pytest_asdf.yml
@@ -33,7 +33,7 @@ jobs:
           setup_requires: 'include'
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./environment.yml
           environment-name: weldx
diff --git a/.github/workflows/static_analysis.yml b/.github/workflows/static_analysis.yml
index 85288e8d4..66dab2be5 100644
--- a/.github/workflows/static_analysis.yml
+++ b/.github/workflows/static_analysis.yml
@@ -49,7 +49,7 @@ jobs:
           key: ${{ runner.os }}-${{ hashFiles('./environment.yml') }}
 
       - name: Setup Conda Environment
-        uses: mamba-org/setup-micromamba@v1.9.0
+        uses: mamba-org/setup-micromamba@v2.0.0
         with:
           environment-file: ./environment.yml
           environment-name: weldx