diff --git a/ghost/core/core/server/models/settings.js b/ghost/core/core/server/models/settings.js
index 9acb051e758..1ab216818d9 100644
--- a/ghost/core/core/server/models/settings.js
+++ b/ghost/core/core/server/models/settings.js
@@ -26,7 +26,7 @@ const getMembersKey = doBlock(() => {
     let UNO_KEYPAIRINO;
     return function getKey(type) {
         if (!UNO_KEYPAIRINO) {
-            UNO_KEYPAIRINO = keypair({bits: 1024});
+            UNO_KEYPAIRINO = keypair({bits: 2048});
         }
         return UNO_KEYPAIRINO[type];
     };
@@ -36,7 +36,7 @@ const getGhostKey = doBlock(() => {
     let UNO_KEYPAIRINO;
     return function getKey(type) {
         if (!UNO_KEYPAIRINO) {
-            UNO_KEYPAIRINO = keypair({bits: 1024});
+            UNO_KEYPAIRINO = keypair({bits: 2048});
         }
         return UNO_KEYPAIRINO[type];
     };
diff --git a/ghost/core/core/server/services/members/members-config-provider.js b/ghost/core/core/server/services/members/members-config-provider.js
index c587ae6079d..3f195fed5a3 100644
--- a/ghost/core/core/server/services/members/members-config-provider.js
+++ b/ghost/core/core/server/services/members/members-config-provider.js
@@ -54,7 +54,7 @@ class MembersConfigProvider {
 
         if (!privateKey || !publicKey) {
             logging.warn('Could not find members_private_key, using dynamically generated keypair');
-            const keypair = createKeypair({bits: 1024});
+            const keypair = createKeypair({bits: 2048});
             privateKey = keypair.private;
             publicKey = keypair.public;
         }