diff --git a/Makefile b/Makefile
index 541f4db21..0b91f530c 100644
--- a/Makefile
+++ b/Makefile
@@ -75,9 +75,9 @@ REPORTS_NAME ?= cryostat-reports
 REPORTS_VERSION ?= latest
 export REPORTS_IMG ?= $(REPORTS_NAMESPACE)/$(REPORTS_NAME):$(REPORTS_VERSION)
 
-CERT_MANAGER_VERSION ?= 1.7.1
+CERT_MANAGER_VERSION ?= 1.11.5
 CERT_MANAGER_MANIFEST ?= \
-	https://github.com/jetstack/cert-manager/releases/download/v$(CERT_MANAGER_VERSION)/cert-manager.yaml
+	https://github.com/cert-manager/cert-manager/releases/download/v$(CERT_MANAGER_VERSION)/cert-manager.yaml
 
 KUSTOMIZE_VERSION ?= 3.8.7
 CONTROLLER_TOOLS_VERSION ?= 0.11.1
diff --git a/README.md b/README.md
index 23142904c..93587e0bb 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ kubectl get secret ${CRYOSTAT_NAME}-jmx-auth -o jsonpath='{$.data.CRYOSTAT_RJMX_
 ## Requirements
 - `go` v1.20
 - [`operator-sdk`](https://github.com/operator-framework/operator-sdk) v1.28.0
-- [`cert-manager`](https://github.com/jetstack/cert-manager) v1.7.1+ (Recommended)
+- [`cert-manager`](https://github.com/jetstack/cert-manager) v1.11.5+ (Recommended)
 - `podman` or `docker`
 - [`jq`](https://stedolan.github.io/jq/) v1.6+
 - `ginkgo` (Optional)