diff --git a/.github/workflows/cache-minimal.yml b/.github/workflows/cache-minimal.yml
new file mode 100644
index 00000000..db32ba6f
--- /dev/null
+++ b/.github/workflows/cache-minimal.yml
@@ -0,0 +1,51 @@
+# Test minimal save/restore of a cache
+
+name: Minimal cache test
+
+on:
+  push:
+    branches:
+      - disabled
+
+jobs:
+  minimal-cache:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Create fake data
+        run: |
+          mkdir mydata
+          touch mydata/thedata.txt
+
+      - name: Create unique key
+        id: cache-key
+        run: |
+          echo "key=cache test $(date -u)" >> $GITHUB_OUTPUT
+
+      - name: Verify cache miss
+        id: miss
+        uses: actions/cache/restore@v4
+        with:
+          path: mydata
+          key: ${{ steps.cache-key.outputs.key }}
+          lookup-only: true
+
+      - name: Save cache
+        uses: actions/cache/save@v4
+        with:
+          path: mydata
+          key: ${{ steps.cache-key.outputs.key }}
+
+      - name: Query cache hit
+        id: hit
+        uses: actions/cache/restore@v4
+        with:
+          path: mydata
+          key: ${{ steps.cache-key.outputs.key }}
+          fail-on-cache-miss: true
+          lookup-only: true
+
+      - name: Print both cache hit and miss
+        run: |
+          echo "Cache miss? ${{ steps.miss.outputs.cache-hit }}"
+          echo "Cache hit? ${{ steps.hit.outputs.cache-hit }}"
diff --git a/.github/workflows/test-cache.yml b/.github/workflows/test-cache.yml
index dbeab342..85a5ad31 100644
--- a/.github/workflows/test-cache.yml
+++ b/.github/workflows/test-cache.yml
@@ -12,16 +12,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os:
+          # - macos-latest
+          - ubuntu-latest
+          # - windows-latest
         config:
           - version: '2.0.1'
             branch:  ''
-          - version: '1.2.2'
-            branch:  ''
-          - version: 'nightly'
-            branch:  ''
-          - version: ''
-            branch:  'master'
+          # - version: '1.2.2'
+          #   branch:  ''
+          # - version: 'nightly'
+          #   branch:  ''
+          # - version: ''
+          #   branch:  'master'
 
     runs-on: ${{ matrix.os }}
 
diff --git a/action.yml b/action.yml
index e645c081..3010eea7 100644
--- a/action.yml
+++ b/action.yml
@@ -50,7 +50,7 @@ runs:
       id: cache-key
       shell: bash
       run: |
-        echo "key=alr[${{ steps.find-hash.outputs.version }}][${{ inputs.toolchain }}][${{ runner.os }}][${{ steps.find-hash.outputs.hash }}][c]" >> $GITHUB_OUTPUT
+        echo "key=alr[${{ steps.find-hash.outputs.version }}][${{ inputs.toolchain }}][${{ runner.os }}][${{ steps.find-hash.outputs.hash }}][d]" >> $GITHUB_OUTPUT
       # The last value in square brackets is to make the key unique for debugging
 
     - name: Reuse cached installation
@@ -181,9 +181,8 @@ runs:
           ~/.local/share/alire
           ./alire_install
           ~/AppData/Local/alire
-        key: ${{ steps.cache-alr.outputs.cache-primary-key }}
-        # Note that '~' is recommended on Windows too:
-        # https://github.com/actions/cache
+        key: ${{ steps.cache-key.outputs.key }}
+        # Note that '~' is recommended on Windows too: https://github.com/actions/cache
 
     # Verify cache was saved properly
     - name: Cache verify
@@ -193,5 +192,5 @@ runs:
         path: unused # Forced to provide it
         key: ${{steps.cache-key.outputs.key}}
         lookup-only: true
-        fail-on-cache-miss: true
+        fail-on-cache-miss: true # REMOVE BEFORE MERGE