diff --git a/overlays/dev/kustomization.yaml b/overlays/dev/kustomization.yaml
index f15948e6..78a4bcc8 100644
--- a/overlays/dev/kustomization.yaml
+++ b/overlays/dev/kustomization.yaml
@@ -22,7 +22,7 @@ images:
 - name: ghcr.io/biosimulations/simdata-api
   newTag: v9.65.2
 - name: ghcr.io/biosimulations/simulators-api
-  newTag: v9.65.2
+  newTag: v9.65.3
 #scale down dev deployment
 replicas:
 - count: 0
diff --git a/overlays/prod/kustomization.yaml b/overlays/prod/kustomization.yaml
index 467f51af..edc9198d 100644
--- a/overlays/prod/kustomization.yaml
+++ b/overlays/prod/kustomization.yaml
@@ -21,7 +21,7 @@ images:
 - name: ghcr.io/biosimulations/simdata-api
   newTag: v9.62.3
 - name: ghcr.io/biosimulations/simulators-api
-  newTag: v9.62.3
+  newTag: v9.65.3
 #scale down dev deployment
 replicas:
 - count: 0