diff --git a/.github/workflows/relock.yml b/.github/workflows/relock.yml
index db9d43ef..0cb404f8 100644
--- a/.github/workflows/relock.yml
+++ b/.github/workflows/relock.yml
@@ -23,7 +23,7 @@ jobs:
         persist-credentials: false
 
     - name: Setup Micromamba
-      uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+      uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
       with:
         environment-name: RELOCK
         init-shell: bash
diff --git a/.github/workflows/test-env.yml b/.github/workflows/test-env.yml
index 4466eee4..553cc96b 100644
--- a/.github/workflows/test-env.yml
+++ b/.github/workflows/test-env.yml
@@ -25,7 +25,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+        uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
         with:
           environment-name: IOOS
           init-shell: bash
diff --git a/.github/workflows/test_data_access_notebooks.yml b/.github/workflows/test_data_access_notebooks.yml
index 71b1e9d0..6dae68eb 100644
--- a/.github/workflows/test_data_access_notebooks.yml
+++ b/.github/workflows/test_data_access_notebooks.yml
@@ -17,7 +17,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+        uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
         with:
           environment-name: IOOS
           init-shell: bash
diff --git a/.github/workflows/test_data_analysis_and_visualization_notebooks.yml b/.github/workflows/test_data_analysis_and_visualization_notebooks.yml
index 502a7e3c..fc67240f 100644
--- a/.github/workflows/test_data_analysis_and_visualization_notebooks.yml
+++ b/.github/workflows/test_data_analysis_and_visualization_notebooks.yml
@@ -17,7 +17,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+        uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
         with:
           environment-name: IOOS
           init-shell: bash
diff --git a/.github/workflows/test_data_management_notebooks.yml b/.github/workflows/test_data_management_notebooks.yml
index 68b2946e..30355b9a 100644
--- a/.github/workflows/test_data_management_notebooks.yml
+++ b/.github/workflows/test_data_management_notebooks.yml
@@ -17,7 +17,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Micromamba
-        uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+        uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
         with:
           environment-name: IOOS
           init-shell: bash