diff --git a/.tilt-support b/.tilt-support
index 100397829d..cc6bb6857c 100644
--- a/.tilt-support
+++ b/.tilt-support
@@ -5,7 +5,7 @@ load('ext://cert_manager', 'deploy_cert_manager')
 def deploy_cert_manager_if_needed():
     cert_manager_var = '__CERT_MANAGER__'
     if os.getenv(cert_manager_var) != '1':
-        deploy_cert_manager(version="v1.15.3")
+        deploy_cert_manager(version="v1.18.2")
         os.putenv(cert_manager_var, '1')
 
 
diff --git a/Makefile b/Makefile
index bc78c11b67..e429f88a3a 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ endif
 ENVTEST_VERSION := $(K8S_VERSION).x
 
 # Define dependency versions (use go.mod if we also use Go code from dependency)
-export CERT_MGR_VERSION := v1.18.1
+export CERT_MGR_VERSION := v1.18.2
 export WAIT_TIMEOUT := 60s
 
 # Install default ClusterCatalogs