diff --git a/deploy/stacks/self-managed/helmfile.d/02-core.yaml.gotmpl b/deploy/stacks/self-managed/helmfile.d/02-core.yaml.gotmpl
index 24f4ff724..319960082 100644
--- a/deploy/stacks/self-managed/helmfile.d/02-core.yaml.gotmpl
+++ b/deploy/stacks/self-managed/helmfile.d/02-core.yaml.gotmpl
@@ -50,7 +50,7 @@ releases:
       - template: service
 
   - name: sis
-    version: 1.18.3
+    version: 1.18.7
     namespace: sis
     inherit:
       - template: service