diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
deleted file mode 100644
index 102c6b9..0000000
--- a/.github/workflows/macos.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-name: macOS-minimal
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-# Declare default permissions as read only.
-permissions: read-all
-jobs:
-  macOS-minimal:
-    runs-on: macos-latest
-    steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
-    - uses: ./
-    # - name: Test EESSI
-    #  run: |
-    #    direnv status
-    #    module avail
-    #  shell: bash
-    - name: Test available repos
-      run: |
-        ls /cvmfs/software.eessi.io
-        ls /cvmfs/dev.eessi.io
-      shell: bash
diff --git a/.github/workflows/minimal-usage.yml b/.github/workflows/minimal-usage.yml
index 694db84..60f9ca8 100644
--- a/.github/workflows/minimal-usage.yml
+++ b/.github/workflows/minimal-usage.yml
@@ -20,9 +20,15 @@ jobs:
           - ubuntu-24.04-arm
           - ubuntu-24.04
           - ubuntu-latest
+        eessi_version:
+          - 2023.06
+          - 2025.06
+          - 2026.06
     steps:
-    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
     - uses: ./
+      with:
+          eessi_stack_version: ${{ matrix.eessi_version }}
     - name: Test EESSI
       run: |
         direnv status
diff --git a/action.yml b/action.yml
index 5252a5e..325b5b1 100644
--- a/action.yml
+++ b/action.yml
@@ -38,7 +38,7 @@ runs:
       shell: bash
       env:
         EESSI_STACK_VERSION: ${{ inputs.eessi_stack_version }}
-        ALLOWED_VERSIONS: "2023.06 2025.06"
+        ALLOWED_VERSIONS: "2023.06 2025.06 2026.06"
       run: |
         if [ "$RUNNER_OS" == "Linux" ]; then
           echo 'unset BASH_ENV' >> $HOME/env_config.export