diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f75a142fa9f..e5293a9285d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -73,7 +73,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup micromamba (macOS)
-        uses: mamba-org/setup-micromamba@v3.1.0
+        uses: mamba-org/setup-micromamba@v3.2.1
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies
diff --git a/.github/workflows/ci-caches.yml b/.github/workflows/ci-caches.yml
index b87cb36bf5b..085c80892be 100644
--- a/.github/workflows/ci-caches.yml
+++ b/.github/workflows/ci-caches.yml
@@ -41,7 +41,7 @@ jobs:
 
     steps:
       - name: Install GMT
-        uses: mamba-org/setup-micromamba@v3.1.0
+        uses: mamba-org/setup-micromamba@v3.2.1
         with:
           environment-name: gmt
           condarc: |
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 76129a5efdd..afa3e7d46ed 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -67,7 +67,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup micromamba (macOS)
-        uses: mamba-org/setup-micromamba@v3.1.0
+        uses: mamba-org/setup-micromamba@v3.2.1
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies
diff --git a/.github/workflows/dvc-diff.yml b/.github/workflows/dvc-diff.yml
index c34a7fa36f8..8df73061461 100644
--- a/.github/workflows/dvc-diff.yml
+++ b/.github/workflows/dvc-diff.yml
@@ -57,7 +57,7 @@ jobs:
         vega: false
 
     - name: Setup Micromamba
-      uses: mamba-org/setup-micromamba@v3.1.0
+      uses: mamba-org/setup-micromamba@v3.2.1
       with:
         environment-name: gmt
         condarc: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5ce849444d9..ff4ec6d49ba 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -70,7 +70,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup micromamba
-        uses: mamba-org/setup-micromamba@v3.1.0
+        uses: mamba-org/setup-micromamba@v3.2.1
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies