diff --git a/index.yaml b/index.yaml
index a42058449..c5b3ad9b6 100644
--- a/index.yaml
+++ b/index.yaml
@@ -105,7 +105,7 @@ releases:
   - name: ionic
     lts: false
     eol: false
-    dev: true
+    preferred: true # Only one preferred=true is allowed
     description: Supported Sep, 2024 to Sep, 2026
     libraries:
       - name: cmake
@@ -143,7 +143,6 @@ releases:
   - name: harmonic
     lts: true
     eol: false
-    preferred: true # Only one preferred=true is allowed
     description: Supported Sep, 2023 to Sep, 2028
     libraries:
       - name: cmake