diff --git a/go.mod b/go.mod
index 25c52c91..2c3620a2 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/dexidp/dex/api/v2 v2.0.0
 	github.com/felixge/httpsnoop v1.0.2
 	github.com/ghodss/yaml v1.0.0
-	github.com/go-ldap/ldap/v3 v3.3.0
+	github.com/go-ldap/ldap/v3 v3.4.0
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/gorilla/handlers v1.5.1
 	github.com/gorilla/mux v1.8.0
diff --git a/go.sum b/go.sum
index 4d8488d9..52ccd2db 100644
--- a/go.sum
+++ b/go.sum
@@ -137,8 +137,8 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
-github.com/go-ldap/ldap/v3 v3.3.0 h1:lwx+SJpgOHd8tG6SumBQZXCmNX51zM8B1cfxJ5gv4tQ=
-github.com/go-ldap/ldap/v3 v3.3.0/go.mod h1:iYS1MdmrmceOJ1QOTnRXrIs7i3kloqtmGQjRvjKpyMg=
+github.com/go-ldap/ldap/v3 v3.4.0 h1:wCttA0dcqAOygfOabqYhQPXKGG9ws8az3FBM8+GAhDs=
+github.com/go-ldap/ldap/v3 v3.4.0/go.mod h1:iYS1MdmrmceOJ1QOTnRXrIs7i3kloqtmGQjRvjKpyMg=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=