diff --git a/Gemfile b/Gemfile
index ca64e38..4e48770 100644
--- a/Gemfile
+++ b/Gemfile
@@ -49,7 +49,7 @@ group :test do
   gem "codeclimate-test-reporter", "~> 1.0.0", require: false
 
   # test helpers
-  gem "fixture_builder",           "0.5.0.pre.RC1"
+  gem "fixture_builder",           "0.5.0"
   gem "factory_girl_rails",        "~> 4.7"
   gem "rspec-collection_matchers", "~> 1.1.2"
   gem "webmock",                   "~> 2.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 08946c9..807b6c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
     codeclimate-test-reporter (1.0.3)
       simplecov
     coderay (1.1.1)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.0.3)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
@@ -81,7 +81,7 @@ GEM
     faraday_middleware (0.10.1)
       faraday (>= 0.7.4, < 1.0)
     ffi (1.9.14)
-    fixture_builder (0.5.0.pre.RC1)
+    fixture_builder (0.5.0)
       activerecord (>= 2)
       activesupport (>= 2)
     formatador (0.2.5)
@@ -138,7 +138,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_portile2 (2.1.0)
-    minitest (5.9.1)
+    minitest (5.10.1)
     multi_json (1.12.1)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
@@ -296,7 +296,7 @@ DEPENDENCIES
   diaspora_federation-rails!
   diaspora_federation-test!
   factory_girl_rails (~> 4.7)
-  fixture_builder (= 0.5.0.pre.RC1)
+  fixture_builder (= 0.5.0)
   fuubar (= 2.2.0)
   guard-rspec
   guard-rubocop