diff --git a/Gemfile b/Gemfile
index 8b180c6e..f136281f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,10 +24,10 @@ gem 'sys-proctable'
 gem 'cube-ruby', require: 'cube'
 
 # NCBO
-gem 'goo', github: 'ncbo/goo', branch: 'develop'
-gem 'ncbo_annotator', github: 'ncbo/ncbo_annotator', branch: 'develop'
-gem 'ontologies_linked_data', github: 'ncbo/ontologies_linked_data', branch: 'develop'
-gem 'sparql-client', github: 'ncbo/sparql-client', branch: 'develop'
+gem 'goo', github: 'ncbo/goo', branch: 'master'
+gem 'ncbo_annotator', github: 'ncbo/ncbo_annotator', branch: 'master'
+gem 'ontologies_linked_data', github: 'ncbo/ontologies_linked_data', branch: 'master'
+gem 'sparql-client', github: 'ncbo/sparql-client', branch: 'master'
 
 group :test do
   gem 'email_spec'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4e13127e..1aa9740f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/ncbo/goo.git
-  revision: 33583fd1c1d72b449cd6bb91815e3422b8448983
-  branch: develop
+  revision: ef2d816df2d263c905bd034efd449a964fa4890f
+  branch: master
   specs:
     goo (0.0.2)
       addressable (~> 2.8)
@@ -16,8 +16,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/ncbo_annotator.git
-  revision: 7531e10ad55ac66e925c099d7fc05a5a3ceae67e
-  branch: develop
+  revision: 63c986880aa88c9384043e6611a682434a14aba7
+  branch: master
   specs:
     ncbo_annotator (0.0.1)
       goo
@@ -27,8 +27,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/ontologies_linked_data.git
-  revision: a3f6cf0493bb595011f98acf95efda33111c537b
-  branch: develop
+  revision: 02986ff6db698cd56fdc062fed21b65d706a9598
+  branch: master
   specs:
     ontologies_linked_data (0.0.1)
       activesupport
@@ -47,8 +47,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/sparql-client.git
-  revision: 1657f0dd69fd4b522d3549a6848670175f5e98cc
-  branch: develop
+  revision: e89c26aa96f184dbe9b52d51e04fb3d9ba998dbc
+  branch: master
   specs:
     sparql-client (1.0.1)
       json_pure (>= 1.4)