diff --git a/clusters/my-cluster/istio-version.yaml b/clusters/my-cluster/istio-version.yaml
index 960ec4a37..774ab2e83 100644
--- a/clusters/my-cluster/istio-version.yaml
+++ b/clusters/my-cluster/istio-version.yaml
@@ -6,4 +6,4 @@ metadata:
   annotations:
     kustomize.toolkit.fluxcd.io/ssa: merge
 data:
-  version: 1.19.3
+  version: 1.20.3