diff --git a/charts/stable/libremdb/Chart.yaml b/charts/stable/libremdb/Chart.yaml
index 804f1ce3eee..2c676bc5460 100644
--- a/charts/stable/libremdb/Chart.yaml
+++ b/charts/stable/libremdb/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: latest
+appVersion: "latest"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
diff --git a/charts/stable/projectsend/Chart.yaml b/charts/stable/projectsend/Chart.yaml
index a1596e1af3d..397416f31cf 100644
--- a/charts/stable/projectsend/Chart.yaml
+++ b/charts/stable/projectsend/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: latest
+appVersion: "latest"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org
diff --git a/charts/stable/rsshub/Chart.yaml b/charts/stable/rsshub/Chart.yaml
index 4cae927d7c3..9c44bd22c1c 100644
--- a/charts/stable/rsshub/Chart.yaml
+++ b/charts/stable/rsshub/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: rsshub
 version: 8.0.275
-appVersion: latest
+appVersion: "latest"
 description: RSSHub can generate RSS feeds from pretty much everything
 type: application
 deprecated: false
diff --git a/charts/stable/searxng/Chart.yaml b/charts/stable/searxng/Chart.yaml
index 68930674d4c..a7dc4c635da 100644
--- a/charts/stable/searxng/Chart.yaml
+++ b/charts/stable/searxng/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: latest
+appVersion: "latest"
 dependencies:
   - name: common
     repository: https://library-charts.truecharts.org