diff --git a/get-magento-version/action.yml b/get-magento-version/action.yml
index 2ad1e52..e5fcf94 100644
--- a/get-magento-version/action.yml
+++ b/get-magento-version/action.yml
@@ -15,6 +15,9 @@ outputs:
   project:
     description: 'The Magento project package name (e.g. magento/project-community-edition)'
     value: ${{ steps.get-magento-version.outputs.project }}
+  supported_version_project:
+    description: 'The `project` value to pass to the supported-version action (e.g. `magento-open-source`, `mage-os`, `mage-os-minimal`). Empty when no Magento project is detected.'
+    value: ${{ steps.get-magento-version.outputs.supported_version_project }}
 
 runs:
   using: "composite"
diff --git a/get-magento-version/get-magento-version.sh b/get-magento-version/get-magento-version.sh
index 9f1f9da..f847a43 100644
--- a/get-magento-version/get-magento-version.sh
+++ b/get-magento-version/get-magento-version.sh
@@ -16,5 +16,13 @@ PRODUCT=$(echo "${RESULT:-}" | awk '{print $1}')
 VERSION=$(echo "${RESULT:-}" | awk '{print $2}' | sed 's/^v//')
 PROJECT=$(echo "$PRODUCT" | sed 's/product-/project-/')
 
+case "$PROJECT" in
+  magento/*)                          SUPPORTED_VERSION_PROJECT="magento-open-source" ;;
+  mage-os/project-community-edition)  SUPPORTED_VERSION_PROJECT="mage-os" ;;
+  mage-os/project-minimal-edition)    SUPPORTED_VERSION_PROJECT="mage-os-minimal" ;;
+  *)                                  SUPPORTED_VERSION_PROJECT="" ;;
+esac
+
 echo "version=\"$VERSION\""
 echo "project=$PROJECT"
+echo "supported_version_project=$SUPPORTED_VERSION_PROJECT"
diff --git a/get-magento-version/test.sh b/get-magento-version/test.sh
index 4de23b2..2f3d88b 100644
--- a/get-magento-version/test.sh
+++ b/get-magento-version/test.sh
@@ -24,35 +24,42 @@ field() {
 }
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/store-lock")
-assert_eq "store lock: version" '"2.4.7"'                           "$(field "$OUT" version)"
-assert_eq "store lock: project" "magento/project-community-edition" "$(field "$OUT" project)"
+assert_eq "store lock: version"                   '"2.4.7"'                           "$(field "$OUT" version)"
+assert_eq "store lock: project"                   "magento/project-community-edition" "$(field "$OUT" project)"
+assert_eq "store lock: supported_version_project" "magento-open-source"               "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/store-v-prefix")
 assert_eq "store v-prefix: version" '"2.4.6"' "$(field "$OUT" version)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/enterprise")
-assert_eq "enterprise: version" '"2.4.7-p1"'                         "$(field "$OUT" version)"
-assert_eq "enterprise: project" "magento/project-enterprise-edition" "$(field "$OUT" project)"
+assert_eq "enterprise: version"                   '"2.4.7-p1"'                         "$(field "$OUT" version)"
+assert_eq "enterprise: project"                   "magento/project-enterprise-edition" "$(field "$OUT" project)"
+assert_eq "enterprise: supported_version_project" "magento-open-source"                "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/mage-os")
-assert_eq "mage-os: version" '"1.0.0"'                           "$(field "$OUT" version)"
-assert_eq "mage-os: project" "mage-os/project-community-edition" "$(field "$OUT" project)"
+assert_eq "mage-os: version"                   '"1.0.0"'                         "$(field "$OUT" version)"
+assert_eq "mage-os: project"                   "mage-os/project-community-edition" "$(field "$OUT" project)"
+assert_eq "mage-os: supported_version_project" "mage-os"                           "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/mage-os-minimal")
-assert_eq "mage-os-minimal: version" '"3.0.0"'                       "$(field "$OUT" version)"
-assert_eq "mage-os-minimal: project" "mage-os/project-minimal-edition" "$(field "$OUT" project)"
+assert_eq "mage-os-minimal: version"                   '"3.0.0"'                           "$(field "$OUT" version)"
+assert_eq "mage-os-minimal: project"                   "mage-os/project-minimal-edition" "$(field "$OUT" project)"
+assert_eq "mage-os-minimal: supported_version_project" "mage-os-minimal"                 "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/store-json")
-assert_eq "store json: version" '"2.4.6-p1"'                       "$(field "$OUT" version)"
-assert_eq "store json: project" "magento/project-community-edition" "$(field "$OUT" project)"
+assert_eq "store json: version"                   '"2.4.6-p1"'                       "$(field "$OUT" version)"
+assert_eq "store json: project"                   "magento/project-community-edition" "$(field "$OUT" project)"
+assert_eq "store json: supported_version_project" "magento-open-source"               "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/extension")
-assert_eq "extension: version" '""' "$(field "$OUT" version)"
-assert_eq "extension: project" ""   "$(field "$OUT" project)"
+assert_eq "extension: version"                   '""' "$(field "$OUT" version)"
+assert_eq "extension: project"                   ""   "$(field "$OUT" project)"
+assert_eq "extension: supported_version_project" ""   "$(field "$OUT" supported_version_project)"
 
 OUT=$(bash "$SCRIPT" "$FIXTURES/empty")
-assert_eq "empty dir: version" '""' "$(field "$OUT" version)"
-assert_eq "empty dir: project" ""   "$(field "$OUT" project)"
+assert_eq "empty dir: version"                   '""' "$(field "$OUT" version)"
+assert_eq "empty dir: project"                   ""   "$(field "$OUT" project)"
+assert_eq "empty dir: supported_version_project" ""   "$(field "$OUT" supported_version_project)"
 
 echo ""
 echo "$PASS passed, $FAIL failed"