diff --git a/charts/chart_versions.yaml b/charts/chart_versions.yaml
index 2592c0a0d5..86bcf9b66a 100644
--- a/charts/chart_versions.yaml
+++ b/charts/chart_versions.yaml
@@ -1,5 +1,5 @@
 charts:
-  - version: 1.15.100
+  - version: 1.15.300
     filename: /charts/rke2-cilium.yaml
     bootstrap: true
   - version: v3.27.3-build2024040300
diff --git a/scripts/build-images b/scripts/build-images
index 4345c995cb..40e56c0dbd 100755
--- a/scripts/build-images
+++ b/scripts/build-images
@@ -36,16 +36,16 @@ EOF
 if [ "${GOARCH}" != "s390x" ]; then
 xargs -n1 -t docker image pull --quiet << EOF > build/images-cilium.txt
     ${REGISTRY}/rancher/mirrored-cilium-certgen:v0.1.9
-    ${REGISTRY}/rancher/mirrored-cilium-cilium:v1.15.1
-    ${REGISTRY}/rancher/mirrored-cilium-cilium-envoy:v1.27.3-713b673cccf1af661efd75ca20532336517ddcb9
-    ${REGISTRY}/rancher/mirrored-cilium-clustermesh-apiserver:v1.15.1
-    ${REGISTRY}/rancher/mirrored-cilium-hubble-relay:v1.15.1
+    ${REGISTRY}/rancher/mirrored-cilium-cilium:v1.15.3
+    ${REGISTRY}/rancher/mirrored-cilium-cilium-envoy:v1.27.3-99c1c8f42c8de70fc8f6dd594f4a425cd38b6688
+    ${REGISTRY}/rancher/mirrored-cilium-clustermesh-apiserver:v1.15.3
+    ${REGISTRY}/rancher/mirrored-cilium-hubble-relay:v1.15.3
     ${REGISTRY}/rancher/mirrored-cilium-hubble-ui:v0.13.0
     ${REGISTRY}/rancher/mirrored-cilium-hubble-ui-backend:v0.13.0
-    ${REGISTRY}/rancher/mirrored-cilium-operator-aws:v1.15.1
-    ${REGISTRY}/rancher/mirrored-cilium-operator-azure:v1.15.1
-    ${REGISTRY}/rancher/mirrored-cilium-operator-generic:v1.15.1
-    ${REGISTRY}/rancher/hardened-cni-plugins:v1.4.0-build20240122
+    ${REGISTRY}/rancher/mirrored-cilium-operator-aws:v1.15.3
+    ${REGISTRY}/rancher/mirrored-cilium-operator-azure:v1.15.3
+    ${REGISTRY}/rancher/mirrored-cilium-operator-generic:v1.15.3
+    ${REGISTRY}/rancher/hardened-cni-plugins:v1.4.1-build20240325
 EOF
 
 xargs -n1 -t docker image pull --quiet << EOF > build/images-calico.txt