diff --git a/bootstrap/templates/kubernetes/apps/cert-manager/cert-manager/app/helmrelease.yaml.j2 b/bootstrap/templates/kubernetes/apps/cert-manager/cert-manager/app/helmrelease.yaml.j2
index 0dc40e35..88aac62e 100644
--- a/bootstrap/templates/kubernetes/apps/cert-manager/cert-manager/app/helmrelease.yaml.j2
+++ b/bootstrap/templates/kubernetes/apps/cert-manager/cert-manager/app/helmrelease.yaml.j2
@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.19.4
+      version: v1.20.0
       sourceRef:
         kind: HelmRepository
         name: jetstack
diff --git a/kubernetes/apps/networking/cert-manager/app/helmrelease.yaml b/kubernetes/apps/networking/cert-manager/app/helmrelease.yaml
index 0dc40e35..88aac62e 100644
--- a/kubernetes/apps/networking/cert-manager/app/helmrelease.yaml
+++ b/kubernetes/apps/networking/cert-manager/app/helmrelease.yaml
@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: cert-manager
-      version: v1.19.4
+      version: v1.20.0
       sourceRef:
         kind: HelmRepository
         name: jetstack