diff --git a/charts/enterprise/clusterissuer/questions.yaml b/charts/enterprise/clusterissuer/questions.yaml
index 2dfa3605cf8..1a77f0e5976 100644
--- a/charts/enterprise/clusterissuer/questions.yaml
+++ b/charts/enterprise/clusterissuer/questions.yaml
@@ -238,6 +238,7 @@ questions:
                       schema:
                         type: string
                         required: true
+                        max_length: 10240
                         show_if: [["selfSigned", "=", false]]
                         default: ""
                     - variable: key
@@ -246,6 +247,7 @@ questions:
                       schema:
                         type: string
                         required: true
+                        max_length: 10240
                         show_if: [["selfSigned", "=", false]]
                         default: ""
 
diff --git a/templates/questions/addons/vpn.yaml b/templates/questions/addons/vpn.yaml
index ca9a8e1a1b1..e1d9739980e 100644
--- a/templates/questions/addons/vpn.yaml
+++ b/templates/questions/addons/vpn.yaml
@@ -169,3 +169,4 @@
                             schema:
                               type: string
                               required: true
+                              max_length: 10240