diff --git a/kubernetes-model-generator/openapi/generator/go.mod b/kubernetes-model-generator/openapi/generator/go.mod
index ecb7e17db1..0224d8163b 100644
--- a/kubernetes-model-generator/openapi/generator/go.mod
+++ b/kubernetes-model-generator/openapi/generator/go.mod
@@ -5,7 +5,7 @@ go 1.23.0
 toolchain go1.23.1
 
 require (
-	github.com/cert-manager/cert-manager v1.16.2
+	github.com/cert-manager/cert-manager v1.16.3
 	github.com/chaos-mesh/chaos-mesh/api v0.0.0
 	github.com/getkin/kin-openapi v0.128.0
 	github.com/k8snetworkplumbingwg/network-attachment-definition-client v1.7.5
diff --git a/kubernetes-model-generator/openapi/generator/go.sum b/kubernetes-model-generator/openapi/generator/go.sum
index 59f30b9e07..d6c2f6654e 100644
--- a/kubernetes-model-generator/openapi/generator/go.sum
+++ b/kubernetes-model-generator/openapi/generator/go.sum
@@ -151,8 +151,8 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.4.1 h1:iKLQ0xPNFxR/2hzXZMrBo8f1j86j5WHzznCCQxV/b8g=
 github.com/census-instrumentation/opencensus-proto v0.4.1/go.mod h1:4T9NM4+4Vw91VeyqjLS6ao50K5bOcLKN6Q42XnYaRYw=
-github.com/cert-manager/cert-manager v1.16.2 h1:c9UU2E+8XWGruyvC/mdpc1wuLddtgmNr8foKdP7a8Jg=
-github.com/cert-manager/cert-manager v1.16.2/go.mod h1:MfLVTL45hFZsqmaT1O0+b2ugaNNQQZttSFV9hASHUb0=
+github.com/cert-manager/cert-manager v1.16.3 h1:seEF5eidFaeduaCuM85PFEuzH/1X/HOV5Y8zDQrHgpc=
+github.com/cert-manager/cert-manager v1.16.3/go.mod h1:6JQ/GAZ6dH+erqS1BbaqorPy8idJzCtWFUmJQBTjo6Q=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=