diff --git a/internal/install/application_configuration_yml.go b/internal/install/application_configuration_yml.go
index 5f507dd11d..08c45716a4 100644
--- a/internal/install/application_configuration_yml.go
+++ b/internal/install/application_configuration_yml.go
@@ -29,4 +29,6 @@ const applicationConfigurationYml = `stack:
 
 const applicationConfigurationYml = `stack:
   image_ref_overrides:
-`
+    8.1.0-SNAPSHOT:
+      # Use stable image versions for Kibana
+      elastic-agent: ` + elasticAgentCompleteImageName + `@sha256:a5c580573376d65ed2eba92d359b411cdae4bf52745af8e3bb8c0c91f8ce53a5`