diff --git a/package.json b/package.json
index 2912289c..b3b15467 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "got": "10.0.1",
     "irc-framework": "4.5.2",
     "is-utf8": "0.2.1",
-    "ldapjs": "2.0.0-pre.3",
+    "ldapjs": "2.0.0-pre.4",
     "linkify-it": "2.2.0",
     "lodash": "4.17.15",
     "mime-types": "2.1.25",
diff --git a/yarn.lock b/yarn.lock
index 9e7180b8..00c1d972 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4998,10 +4998,10 @@ ldap-filter@^0.3.3:
   dependencies:
     assert-plus "^1.0.0"
 
-ldapjs@2.0.0-pre.3:
-  version "2.0.0-pre.3"
-  resolved "https://registry.yarnpkg.com/ldapjs/-/ldapjs-2.0.0-pre.3.tgz#dcf9369f3b802844241ca830ef9617da76f6e1ec"
-  integrity sha512-3OHNUWulzXDj6UnxNss3LGL2ycBOn+q4OLQUiuorOGeruQeVryNMd29IrqYA5IIrSOYz4aVXKLacohOtW+ZQtg==
+ldapjs@2.0.0-pre.4:
+  version "2.0.0-pre.4"
+  resolved "https://registry.yarnpkg.com/ldapjs/-/ldapjs-2.0.0-pre.4.tgz#95e6dca62915d3eb89f17e1fc7d0163e28b2d0e9"
+  integrity sha512-G3TmEWko48YffwIIsze7UB6XL3LT1LzfmskQgvl0MepmZIDHYnHHmwtDDEc1Id0zyucIMLdG/F17+bOBJXu17w==
   dependencies:
     abstract-logging "^1.0.0"
     asn1 "^0.2.4"