diff --git a/charts/stable/prometheus/values.yaml b/charts/stable/prometheus/values.yaml
index 32f26666357..e5df3f045a7 100644
--- a/charts/stable/prometheus/values.yaml
+++ b/charts/stable/prometheus/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/prometheus
-  tag: 2.40.2@sha256:48b8ccd40da2a2b3a8c4619164b11b8359e1da9eb70cda31715a44bf2c2c8a73
+  tag: 2.40.3@sha256:187c31f639dc2ab84b25da02bf6c6821d9600b718dae643271aa279d971a85c5
 
 thanosImage:
   repository: tccr.io/truecharts/thanos