diff --git a/lib/codes.js b/lib/codes.js
index 4fc01feb..e2299218 100644
--- a/lib/codes.js
+++ b/lib/codes.js
@@ -510,5 +510,41 @@ module.exports = {
    502: {
       name: 'err_usersdontmatch',
       type: 'error'
+   },
+   900: {
+      name: 'rpl_loggedin',
+      type: 'reply'
+   },
+   901: {
+      name: 'rpl_loggedout',
+      type: 'reply'
+   },
+   902: {
+      name: 'err_nicklocked',
+      type: 'error'
+   },
+   903: {
+      name: 'rpl_saslsuccess',
+      type: 'reply'
+   },
+   904: {
+      name: 'err_saslfailed', 
+      type: 'error'
+   },
+   905: {
+      name: 'err_sasltoolong',
+      type: 'error'
+   },
+   906: {
+      name: 'err_saslaborted',
+      type: 'error'
+   },
+   907: {
+      name: 'err_saslalready',
+      type: 'error'
+   },
+   908: {
+      name: 'rpl_saslmechs',
+      type: 'error'
    }
 };