diff --git a/README.md b/README.md
index 017f2c09d..cb1258b58 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ Note:
 - Network Plugin
   - [cni-plugins](https://github.com/containernetworking/plugins) 1.8.0
   - [calico](https://github.com/projectcalico/calico) 3.30.4
-  - [cilium](https://github.com/cilium/cilium) 1.18.2
+  - [cilium](https://github.com/cilium/cilium) 1.18.3
   - [flannel](https://github.com/flannel-io/flannel) 0.27.3
   - [kube-ovn](https://github.com/alauda/kube-ovn) 1.12.21
   - [kube-router](https://github.com/cloudnativelabs/kube-router) 2.1.1
diff --git a/docs/CNI/cilium.md b/docs/CNI/cilium.md
index 6251c6d24..a82d90a6a 100644
--- a/docs/CNI/cilium.md
+++ b/docs/CNI/cilium.md
@@ -237,7 +237,7 @@ cilium_operator_extra_volume_mounts:
 ## Choose Cilium version
 
 ```yml
-cilium_version: "1.18.2"
+cilium_version: "1.18.3"
 ```
 
 ## Add variable to config
diff --git a/roles/kubespray_defaults/defaults/main/download.yml b/roles/kubespray_defaults/defaults/main/download.yml
index b1185b30e..19ebe5d4d 100644
--- a/roles/kubespray_defaults/defaults/main/download.yml
+++ b/roles/kubespray_defaults/defaults/main/download.yml
@@ -114,7 +114,7 @@ flannel_version: 0.27.3
 flannel_cni_version: 1.7.1-flannel1
 cni_version: "{{ (cni_binary_checksums['amd64'] | dict2items)[0].key }}"
 
-cilium_version: "1.18.2"
+cilium_version: "1.18.3"
 cilium_cli_version: "{{ (ciliumcli_binary_checksums['amd64'] | dict2items)[0].key }}"
 cilium_enable_hubble: false