diff --git a/.github/workflows/sub-build-push-image.yml b/.github/workflows/sub-build-push-image.yml
index 1040cf73..09ebfa47 100644
--- a/.github/workflows/sub-build-push-image.yml
+++ b/.github/workflows/sub-build-push-image.yml
@@ -14,10 +14,7 @@ on:
       platform:
         description: "Target platform for the built image"
         required: true
-        type: choice
-        options:
-          - amd64
-          - arm64
+        type: string
 
 jobs:
   build-push-image:
diff --git a/.github/workflows/sub-test-image.yml b/.github/workflows/sub-test-image.yml
index 3ef705bd..9ed31468 100644
--- a/.github/workflows/sub-test-image.yml
+++ b/.github/workflows/sub-test-image.yml
@@ -10,10 +10,7 @@ on:
       platform:
         description: "Target platform for the built image"
         required: true
-        type: choice
-        options:
-          - amd64
-          - arm64
+        type: string
 
 jobs:
   test-image: