diff --git a/go.mod b/go.mod
index 888136e9c..05a3acbfb 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/fsouza/go-dockerclient v1.7.3
 	github.com/fukata/golang-stats-api-handler v1.0.0
 	github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8
-	github.com/go-ldap/ldap/v3 v3.3.0
+	github.com/go-ldap/ldap/v3 v3.4.1
 	github.com/go-ole/go-ole v1.2.4 // indirect
 	github.com/go-redis/redis v6.15.9+incompatible
 	github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect
diff --git a/go.sum b/go.sum
index bac4d563c..7c0504891 100644
--- a/go.sum
+++ b/go.sum
@@ -78,7 +78,6 @@ github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 h1:Yzb9+7DP
 github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
 github.com/fhs/go-netrc v1.0.0/go.mod h1:tGgE+SHFQhgo1jg+hG6/uCxBJv5Pnq7pTMjvaEWrOu8=
 github.com/frankban/quicktest v1.6.0/go.mod h1:jaStnuzAqU1AJdCO0l53JDCJrVDKcS03DbaAcR7Ks/o=
-github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsouza/go-dockerclient v1.7.3 h1:i6iMcktl688vsKUEExA6gU1UjPgIvmGtJeQ0mbuFqZo=
 github.com/fsouza/go-dockerclient v1.7.3/go.mod h1:8xfZB8o9SptLNJ13VoV5pMiRbZGWkU/Omu5VOu/KC9Y=
@@ -91,8 +90,8 @@ github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0
 github.com/go-asn1-ber/asn1-ber v1.5.1 h1:pDbRAunXzIUXfx4CB2QJFv5IuPiuoW+sWvr/Us009o8=
 github.com/go-asn1-ber/asn1-ber v1.5.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-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 v3.4.1 h1:fU/0xli6HY02ocbMuozHAYsaHLcnkLjvho2r5a34BUU=
+github.com/go-ldap/ldap/v3 v3.4.1/go.mod h1:iYS1MdmrmceOJ1QOTnRXrIs7i3kloqtmGQjRvjKpyMg=
 github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-redis/redis v6.15.9+incompatible h1:K0pv1D7EQUjfyoMql+r/jZqCLizCGKFlFgcHWWmHQjg=
@@ -326,7 +325,6 @@ golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKG
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=