diff --git a/.github/workflows/ci-locks.yml b/.github/workflows/ci-locks.yml
index 8ded368..6110ea3 100644
--- a/.github/workflows/ci-locks.yml
+++ b/.github/workflows/ci-locks.yml
@@ -18,5 +18,5 @@ concurrency:
 
 jobs:
   refresh_lockfiles:
-    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2026.04.0
+    uses: scitools/workflows/.github/workflows/refresh-lockfiles.yml@2026.04.2
     secrets: inherit
diff --git a/.github/workflows/ci-manifest.yml b/.github/workflows/ci-manifest.yml
index 922837e..7f1ab3f 100644
--- a/.github/workflows/ci-manifest.yml
+++ b/.github/workflows/ci-manifest.yml
@@ -25,4 +25,4 @@ concurrency:
 jobs:
   manifest:
     name: "check-manifest"
-    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2026.04.0
+    uses: scitools/workflows/.github/workflows/ci-manifest.yml@2026.04.2
diff --git a/.github/workflows/ci-template-check.yml b/.github/workflows/ci-template-check.yml
index 6becef8..b98172d 100644
--- a/.github/workflows/ci-template-check.yml
+++ b/.github/workflows/ci-template-check.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   prompt-share:
-    uses: scitools/workflows/.github/workflows/ci-template-check.yml@2026.04.0
+    uses: scitools/workflows/.github/workflows/ci-template-check.yml@2026.04.2
     secrets: inherit
     with:
       pr_number: ${{ github.event.pull_request.number }}
diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index dc46f75..e9e6f16 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -57,7 +57,7 @@ jobs:
         fetch-depth: 0
 
     - name: "mambaforge setup (python ${{ matrix.python-version }})"
-      uses: conda-incubator/setup-miniconda@v3
+      uses: conda-incubator/setup-miniconda@v4
       with:
         miniforge-variant: Miniforge3
         miniforge-version: latest