diff --git a/deployment/scripts/cluster.install.sh b/deployment/scripts/cluster.install.sh
index 9dd7ed15a..c0861a16b 100755
--- a/deployment/scripts/cluster.install.sh
+++ b/deployment/scripts/cluster.install.sh
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-# !!! never tested !!!
-
 # base setup
 SCRIPT_PATH=$(realpath $0)
 SCRIPT_DIR=$(dirname $SCRIPT_PATH)
@@ -35,7 +33,7 @@ helm install \
   --kubeconfig=${KUBECONFIG} \
   --namespace cert-manager \
   --create-namespace \
-  --version v1.13.1 \
+  --version v1.13.2 \
   --set installCRDs=true
 
 ## install Ocelot with helm
diff --git a/deployment/src/kubernetes/README.md b/deployment/src/kubernetes/README.md
index 17773d736..904fe041a 100644
--- a/deployment/src/kubernetes/README.md
+++ b/deployment/src/kubernetes/README.md
@@ -76,7 +76,7 @@ $ helm install \
   cert-manager jetstack/cert-manager \
   --namespace cert-manager \
   --create-namespace \
-  --version v1.13.1 \
+  --version v1.13.2 \
   --set installCRDs=true
 # or kubeconfig.yaml in your repo, then adjust
 $ helm install \
@@ -84,7 +84,7 @@ $ helm install \
   --kubeconfig ./kubeconfig.yaml \
   --namespace cert-manager \
   --create-namespace \
-  --version v1.13.1 \
+  --version v1.13.2 \
   --set installCRDs=true
 ``` -->