diff --git a/Gemfile.lock b/Gemfile.lock
index 87d93cc..3d69d07 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
     faraday-follow_redirects (0.3.0)
       faraday (>= 1, < 3)
     faraday-net_http (2.0.3)
-    ffi (1.15.4)
+    ffi (1.15.5)
     fuubar (2.5.1)
       rspec-core (~> 3.0)
       ruby-progressbar (~> 1.4)
@@ -75,7 +75,7 @@ GEM
     json (2.6.2)
     json-schema (3.0.0)
       addressable (>= 2.8)
-    listen (3.7.0)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.18.0)
@@ -112,12 +112,12 @@ GEM
     pronto-rubocop (0.11.2)
       pronto (~> 0.11.0)
       rubocop (>= 0.63.1, < 2.0)
-    pry (0.14.1)
+    pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    pry-byebug (3.8.0)
+    pry-byebug (3.9.0)
       byebug (~> 11.0)
-      pry (~> 0.10)
+      pry (~> 0.13.0)
     public_suffix (4.0.7)
     racc (1.6.0)
     rack (2.2.4)
@@ -137,7 +137,7 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
-    rb-fsevent (0.11.0)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.5.0)
@@ -214,7 +214,9 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    yard (0.9.26)
+    webrick (1.7.0)
+    yard (0.9.28)
+      webrick (~> 1.7.0)
     zeitwerk (2.6.0)
 
 PLATFORMS
diff --git a/test/gemfiles/no-rails.Gemfile b/test/gemfiles/no-rails.Gemfile
index dc888da..ce9a1c4 100644
--- a/test/gemfiles/no-rails.Gemfile
+++ b/test/gemfiles/no-rails.Gemfile
@@ -24,10 +24,10 @@ group :test do
 
   # test coverage
   gem "simplecov",                 "0.21.2",   require: false
-  gem "simplecov-rcov",            "0.2.3",    require: false
+  gem "simplecov-rcov",            "0.3.1",    require: false
 
   # test helpers
-  gem "json-schema-rspec", "0.0.4"
+  gem "json-schema",               "~> 3.0"
   gem "rspec-collection_matchers", "~> 1.2.0"
   gem "rspec-json_expectations",   "~> 2.1"
   gem "webmock",                   "~> 3.0"
@@ -37,5 +37,5 @@ group :development, :test do
   gem "rake"
 
   # unit tests
-  gem "rspec", "~> 3.10.0"
+  gem "rspec", "~> 3.11.0"
 end
diff --git a/test/gemfiles/no-rails.Gemfile.lock b/test/gemfiles/no-rails.Gemfile.lock
index 69e5965..344918b 100644
--- a/test/gemfiles/no-rails.Gemfile.lock
+++ b/test/gemfiles/no-rails.Gemfile.lock
@@ -2,15 +2,15 @@ PATH
   remote: ../..
   specs:
     diaspora_federation (0.3.0)
-      faraday (~> 1.0)
-      faraday_middleware (~> 1.0)
+      faraday (>= 1.0, < 3)
+      faraday-follow_redirects (~> 0.3)
       nokogiri (~> 1.6, >= 1.6.8)
       typhoeus (~> 1.0)
       valid (~> 1.0)
     diaspora_federation-json_schema (0.3.0)
     diaspora_federation-test (0.3.0)
       diaspora_federation (= 0.3.0)
-      fabrication (~> 2.16)
+      fabrication (~> 2.29)
       uuid (~> 2.3, >= 2.3.8)
 
 GEM
@@ -20,71 +20,50 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     crack (0.4.5)
       rexml
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.0)
     docile (1.4.0)
     ethon (0.15.0)
       ffi (>= 1.15.0)
-    fabrication (2.22.0)
-    faraday (1.8.0)
-      faraday-em_http (~> 1.0)
-      faraday-em_synchrony (~> 1.0)
-      faraday-excon (~> 1.1)
-      faraday-httpclient (~> 1.0.1)
-      faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.1)
-      faraday-patron (~> 1.0)
-      faraday-rack (~> 1.0)
-      multipart-post (>= 1.2, < 3)
+    fabrication (2.29.0)
+    faraday (2.3.0)
+      faraday-net_http (~> 2.0)
       ruby2_keywords (>= 0.0.4)
-    faraday-em_http (1.0.0)
-    faraday-em_synchrony (1.0.0)
-    faraday-excon (1.1.0)
-    faraday-httpclient (1.0.1)
-    faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.2.0)
-    faraday-patron (1.0.0)
-    faraday-rack (1.0.0)
-    faraday_middleware (1.2.0)
-      faraday (~> 1.0)
-    ffi (1.15.4)
+    faraday-follow_redirects (0.3.0)
+      faraday (>= 1, < 3)
+    faraday-net_http (2.0.3)
+    ffi (1.15.5)
     fuubar (2.5.1)
       rspec-core (~> 3.0)
       ruby-progressbar (~> 1.4)
     hashdiff (1.0.1)
-    json-schema (2.8.1)
-      addressable (>= 2.4)
-    json-schema-rspec (0.0.4)
-      json-schema (~> 2.5)
-      rspec
+    json-schema (3.0.0)
+      addressable (>= 2.8)
     macaddr (1.7.2)
       systemu (~> 2.6.5)
-    mini_portile2 (2.8.0)
-    multipart-post (2.1.1)
-    nokogiri (1.13.3)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.13.7-x86_64-linux)
       racc (~> 1.4)
     nyan-cat-formatter (0.12.0)
       rspec (>= 2.99, >= 2.14.2, < 4)
-    public_suffix (4.0.6)
+    public_suffix (4.0.7)
     racc (1.6.0)
     rake (13.0.6)
     rexml (3.2.5)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
+    rspec (3.11.0)
+      rspec-core (~> 3.11.0)
+      rspec-expectations (~> 3.11.0)
+      rspec-mocks (~> 3.11.0)
     rspec-collection_matchers (1.2.0)
       rspec-expectations (>= 2.99.0.beta1)
-    rspec-core (3.10.1)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.1)
+    rspec-core (3.11.0)
+      rspec-support (~> 3.11.0)
+    rspec-expectations (3.11.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
+      rspec-support (~> 3.11.0)
     rspec-json_expectations (2.2.0)
-    rspec-mocks (3.10.2)
+    rspec-mocks (3.11.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.3)
+      rspec-support (~> 3.11.0)
+    rspec-support (3.11.0)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
     simplecov (0.21.2)
@@ -92,9 +71,9 @@ GEM
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
-    simplecov-rcov (0.2.3)
+    simplecov-rcov (0.3.1)
       simplecov (>= 0.4.1)
-    simplecov_json_formatter (0.1.3)
+    simplecov_json_formatter (0.1.4)
     systemu (2.6.5)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
@@ -114,14 +93,14 @@ DEPENDENCIES
   diaspora_federation-json_schema!
   diaspora_federation-test!
   fuubar (= 2.5.1)
-  json-schema-rspec (= 0.0.4)
+  json-schema (~> 3.0)
   nyan-cat-formatter
   rake
-  rspec (~> 3.10.0)
+  rspec (~> 3.11.0)
   rspec-collection_matchers (~> 1.2.0)
   rspec-json_expectations (~> 2.1)
   simplecov (= 0.21.2)
-  simplecov-rcov (= 0.2.3)
+  simplecov-rcov (= 0.3.1)
   webmock (~> 3.0)
 
 BUNDLED WITH