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 6216881f..4dfe242e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GIT
   remote: https://github.com/ncbo/goo.git
-  revision: f00c8f812c4a1f5eaacb4a59b708d0b228dcd41a
-  branch: develop
+  revision: 75436fe8e387febc53e34ee31ff0e6dd837a9d3f
+  branch: master
   specs:
     goo (0.0.2)
       addressable (~> 2.8)
@@ -15,8 +15,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/ncbo_annotator.git
-  revision: fe0783c542479ed0a12da5663ef28e1673e80eba
-  branch: develop
+  revision: 63c986880aa88c9384043e6611a682434a14aba7
+  branch: master
   specs:
     ncbo_annotator (0.0.1)
       goo
@@ -26,8 +26,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/ontologies_linked_data.git
-  revision: a973d62ca8be3a6cd86677d9bed24f361f580882
-  branch: develop
+  revision: b6df920d03af15ee35a3a7c31078c6ea263ba41d
+  branch: master
   specs:
     ontologies_linked_data (0.0.1)
       activesupport
@@ -46,8 +46,8 @@ GIT
 
 GIT
   remote: https://github.com/ncbo/sparql-client.git
-  revision: 55e7dbf858eb571c767bc67868f9af61663859cb
-  branch: develop
+  revision: d418d56a6c9ff5692f925b45739a2a1c66bca851
+  branch: master
   specs:
     sparql-client (1.0.1)
       json_pure (>= 1.4)