diff --git a/.github/workflows/build_iso.yml b/.github/workflows/build_iso.yml
index a463c97..ea106b2 100644
--- a/.github/workflows/build_iso.yml
+++ b/.github/workflows/build_iso.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ${{ needs.load_vars.outputs.BUILD_VERSIONS }}
+        version: ${{ fromJson(needs.load_vars.outputs.BUILD_VERSIONS) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/test_deployment.yml b/.github/workflows/test_deployment.yml
index 284694b..f057a88 100644
--- a/.github/workflows/test_deployment.yml
+++ b/.github/workflows/test_deployment.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ${{ needs.load_vars.outputs.BUILD_VERSIONS }}
+        version: ${{ fromJson(needs.load_vars.outputs.BUILD_VERSIONS) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/test_iso.yml b/.github/workflows/test_iso.yml
index 81d0fdc..12cd326 100644
--- a/.github/workflows/test_iso.yml
+++ b/.github/workflows/test_iso.yml
@@ -27,7 +27,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ${{ needs.load_vars.outputs.BUILD_VERSIONS }}
+        version: ${{ fromJson(needs.load_vars.outputs.BUILD_VERSIONS) }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4