diff --git a/Makefile b/Makefile
index b02ac3cbd1..03e4d7db1b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # Image URL to use all building/pushing image targets
 
 # renovate: datasource=github-releases depName=cert-manager/cert-manager
-CERT_MANAGER_VERSION ?= v1.10.1
+CERT_MANAGER_VERSION ?= v1.11.0
 TAG ?= "$(shell date +%Y%m%d%s)"
 TAG := $(TAG)
 
diff --git a/examples/argo/Makefile b/examples/argo/Makefile
index 8d415d2834..45c46828ce 100644
--- a/examples/argo/Makefile
+++ b/examples/argo/Makefile
@@ -4,7 +4,7 @@ ARGO_NAMESPACE ?= argocd
 # renovate: datasource=github-tags depName=argoproj/argo-cd
 ARGO_VERSION ?= v2.5.5
 # renovate: datasource=github-tags depName=cert-manager/cert-manager
-CERT_MANAGER_VERSION ?= v1.10.1
+CERT_MANAGER_VERSION ?= v1.11.0
 ARGO_SECRET = $(shell kubectl -n ${ARGO_NAMESPACE} get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo)
 
 .PHONY: install
diff --git a/examples/observability/Makefile b/examples/observability/Makefile
index 4b06728691..a652b161fb 100644
--- a/examples/observability/Makefile
+++ b/examples/observability/Makefile
@@ -1,7 +1,7 @@
 # renovate: datasource=github-tags depName=jaegertracing/jaeger
 JAEGER_VERSION ?= v1.41.0
 # renovate: datasource=github-tags depName=cert-manager/cert-manager
-CERT_MANAGER_VERSION ?= v1.10.1
+CERT_MANAGER_VERSION ?= v1.11.0
 TOOLKIT_NAMESPACE ?= keptn-lifecycle-toolkit-system
 PODTATO_NAMESPACE ?= podtato-kubectl
 GRAFANA_PORT_FORWARD ?= 3000