diff --git a/src/auth/auth.service.ts b/src/auth/auth.service.ts
index 3d5751e89..9500cef57 100644
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -70,9 +70,9 @@ export class AuthService {
     // base64url is quite easy buildable from base64
     return text
       .toString('base64')
-      .replace('+', '-')
-      .replace('/', '_')
-      .replace(/=+$/, '');
+      .replaceAll(/\+/g, '-')
+      .replaceAll(/\//g, '_')
+      .replaceAll(/=+$/g, '');
   }
 
   async createTokenForUser(
diff --git a/tsconfig.json b/tsconfig.json
index bf10a2398..e129127e1 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,6 +10,7 @@
     "sourceMap": true,
     "outDir": "./dist",
     "baseUrl": "./",
-    "incremental": true
+    "incremental": true,
+    "lib": ["esnext"]
   }
 }