diff --git a/Gemfile.lock b/Gemfile.lock
index c0d460c..86c28c6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,26 +14,14 @@ GEM
       tzinfo (~> 1.1)
     arel (9.0.0)
     backports (3.15.0)
-    backticks (1.0.2)
     coderay (1.1.2)
     concurrent-ruby (1.1.5)
-    diff-lcs (1.3)
-    docker (0.4.0)
-      backticks (~> 1.0.0)
-    docker-api (1.34.2)
-      excon (>= 0.47.0)
-      multi_json
-    excon (0.64.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     method_source (0.9.2)
     minitest (5.11.3)
     multi_json (1.13.1)
     mustermann (1.0.3)
-    net-scp (2.0.0)
-      net-ssh (>= 2.6.5, < 6.0.0)
-    net-ssh (5.2.0)
-    net-telnet (0.1.1)
     nio4r (2.3.1)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -43,29 +31,7 @@ GEM
     rack (2.0.7)
     rack-protection (2.0.5)
       rack
-    rake (12.3.2)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.2)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.4)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-its (1.3.0)
-      rspec-core (>= 3.0.0)
-      rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.8.1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.2)
-    serverspec (2.41.4)
-      multi_json
-      rspec (~> 3.0)
-      rspec-its
-      specinfra (~> 2.72)
-    sfl (2.3)
+    rake (12.3.3)
     sinatra (2.0.5)
       mustermann (~> 1.0)
       rack (~> 2.0)
@@ -81,11 +47,6 @@ GEM
       rack-protection (= 2.0.5)
       sinatra (= 2.0.5)
       tilt (>= 1.3, < 3)
-    specinfra (2.78.1)
-      net-scp
-      net-ssh (>= 2.7)
-      net-telnet (= 0.1.1)
-      sfl
     sqlite3 (1.4.1)
     thread_safe (0.3.6)
     tilt (2.0.9)
@@ -96,13 +57,9 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  docker (~> 0.4.0)
-  docker-api (~> 1.34)
   pry (~> 0.12.2)
   puma (~> 4.0)
   rake (~> 12.3)
-  rspec (~> 3.8)
-  serverspec (~> 2.41)
   sinatra (~> 2.0)
   sinatra-activerecord (~> 2.0)
   sinatra-contrib (~> 2.0)