diff --git a/charts/stable/prometheus/values.yaml b/charts/stable/prometheus/values.yaml
index 30bb1310508..98057037f41 100644
--- a/charts/stable/prometheus/values.yaml
+++ b/charts/stable/prometheus/values.yaml
@@ -1,6 +1,6 @@
 image:
   repository: tccr.io/truecharts/prometheus
-  tag: 2.40.4@sha256:31f679827e555420272ad89e3a4c8e9068dd2919e4110bcf1e2c477fd9de0682
+  tag: 2.40.5@sha256:dd8336fd789b1189e7a328de5ec0a6df7348a932327ee86a24bab60585fed3f0
 
 thanosImage:
   repository: tccr.io/truecharts/thanos