diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e7d919e..6ff26c82 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
     - name: golangci-lint
       uses: golangci/golangci-lint-action@v2
       with:
-        version: v1.40.1
+        version: v1.46.2
         skip-go-installation: true
         skip-pkg-cache: true
         skip-build-cache: true
diff --git a/ovsdb/schema.go b/ovsdb/schema.go
index 30ecb1b4..cf80aa50 100644
--- a/ovsdb/schema.go
+++ b/ovsdb/schema.go
@@ -321,9 +321,7 @@ func (b *BaseType) UnmarshalJSON(data []byte) error {
 			oSet := bt.Enum.([]interface{})
 			innerSet := oSet[1].([]interface{})
 			b.Enum = make([]interface{}, len(innerSet))
-			for k, val := range innerSet {
-				b.Enum[k] = val
-			}
+			copy(b.Enum, innerSet)
 		default:
 			b.Enum = []interface{}{bt.Enum}
 		}