diff --git a/lib/jetty/BUCK b/lib/jetty/BUCK
index 6e7dec3..c75b278 100644
--- a/lib/jetty/BUCK
+++ b/lib/jetty/BUCK
@@ -1,10 +1,10 @@
-VERSION = '9.2.13.v20150730'
+VERSION = '9.4.1.v20170120'
 GROUP = 'org.eclipse.jetty'
 
 maven_jar(
   name = 'servlet',
-  bin_sha1 = '5ad6e38015a97ae9a60b6c2ad744ccfa9cf93a50',
-  src_sha1 = '78fbec19321150552d91f9e079c2f2ca33222b01',
+  bin_sha1 = '406a6edc22311629b41e98ab26901574d243d408',
+  src_sha1 = '57cf143c4110e0d43635406a1052013bbf29a4da',
   group = GROUP,
   artifact = 'jetty-servlet',
   version = VERSION,
@@ -12,8 +12,8 @@
 
 maven_jar(
   name = 'security',
-  bin_sha1 = 'cc7c7f27ec4cc279253be1675d9e47e58b995943',
-  src_sha1 = '75632ebdf8bd651faafb97106c92496db59e165d',
+  bin_sha1 = '677aa94298f42d322e2f19045693a233613537b6',
+  src_sha1 = '933928163506a8d366652fb895e770fcf3f9e8fe',
   group = GROUP,
   artifact = 'jetty-security',
   version = VERSION,
@@ -21,8 +21,8 @@
 
 maven_jar(
   name = 'server',
-  bin_sha1 = '5be7d1da0a7abffd142de3091d160717c120b6ab',
-  src_sha1 = '203e123f83efe2a5b8a9c74854c7897fe3563302',
+  bin_sha1 = '4cf4bea26592de98b9126ac60bc91fb669176a63',
+  src_sha1 = '2035ab117da534f9a525adfaa9f3a5634d202707',
   group = GROUP,
   artifact = 'jetty-server',
   version = VERSION,
@@ -30,8 +30,8 @@
 
 maven_jar(
   name = 'http',
-  bin_sha1 = '23a745d9177ef67ef53cc46b9b70c5870082efc2',
-  src_sha1 = '5f87f7ff2057cd4b0995bc4fffe17b2aff64c130',
+  bin_sha1 = 'c9c9d5b15b3bb41ae9ae588b7aede301b42186f6',
+  src_sha1 = 'f1cbf0e1329ed722bf8eba74e4c4b94619dfe8a8',
   group = GROUP,
   artifact = 'jetty-http',
   version = VERSION,
@@ -39,8 +39,8 @@
 
 maven_jar(
   name = 'io',
-  bin_sha1 = '7a351e6a1b63dfd56b6632623f7ca2793ffb67ad',
-  src_sha1 = 'bbd61a84b748fc295456e1c5c3070aaf40a68f62',
+  bin_sha1 = '6d2d7c82a4b5306ec7bf2d6eb4b67460fce77240',
+  src_sha1 = '404b560a0d289c904b72d02e2dbb3b9ad73db219',
   group = GROUP,
   artifact = 'jetty-io',
   version = VERSION,
@@ -48,8 +48,8 @@
 
 maven_jar(
   name = 'util',
-  bin_sha1 = 'c101476360a7cdd0670462de04053507d5e70c97',
-  src_sha1 = '15ceecce141971b4e0facb861b3d10120ad6ce03',
+  bin_sha1 = '810c4e4275e399feaf6e8bc51aa72645bdc06205',
+  src_sha1 = 'b0dea459e5646e9ccf250a236718d720fba7717c',
   group = GROUP,
   artifact = 'jetty-util',
   version = VERSION,
diff --git a/org.eclipse.jgit.junit.http/BUCK b/org.eclipse.jgit.junit.http/BUCK
index 68976a6..d7eaa48 100644
--- a/org.eclipse.jgit.junit.http/BUCK
+++ b/org.eclipse.jgit.junit.http/BUCK
@@ -8,6 +8,7 @@
     '//org.eclipse.jgit.junit:junit',
     '//lib:junit',
     '//lib:servlet-api',
+    '//lib:slf4j-api',
     '//lib/jetty:http',
     '//lib/jetty:server',
     '//lib/jetty:servlet',