diff --git a/tests/integration/Gemfile b/tests/integration/Gemfile
index ba876ef17b34e0f963dc86b1a0452f0e79606ef9..3b6412a23cfdec7097219bc1af04424c43e84f84 100644
--- a/tests/integration/Gemfile
+++ b/tests/integration/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gem "amazing_print"
 gem "faker"
 gem "faye-websocket"
-gem "mimemagic"
+gem "mini_mime"
 gem "minitest"
 gem "pbkdf2-ruby"
 gem "pry"
diff --git a/tests/integration/Gemfile.lock b/tests/integration/Gemfile.lock
index 9e94da0d2c5c2a0682fe73cc3430c401e6071a83..92a28fe07c7e4b45db9d3e4a0de30df321d8894d 100644
--- a/tests/integration/Gemfile.lock
+++ b/tests/integration/Gemfile.lock
@@ -27,7 +27,7 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    mimemagic (0.3.2)
+    mini_mime (1.0.3)
     minitest (5.11.3)
     netrc (0.11.0)
     pbkdf2-ruby (0.2.1)
@@ -62,7 +62,7 @@ DEPENDENCIES
   amazing_print
   faker
   faye-websocket
-  mimemagic
+  mini_mime
   minitest
   pbkdf2-ruby
   pry
diff --git a/tests/integration/boot.rb b/tests/integration/boot.rb
index f2113c7eb543fed2a82015f3e2aefccb72c4ba8f..1d309f427d673af1930c90334d1f38836fa0a445 100644
--- a/tests/integration/boot.rb
+++ b/tests/integration/boot.rb
@@ -4,7 +4,7 @@ require 'date'
 require 'digest'
 require 'faker'
 require 'fileutils'
-require 'mimemagic'
+require 'mini_mime'
 require 'json'
 require 'open3'
 require 'pbkdf2'
diff --git a/tests/integration/console.rb b/tests/integration/console.rb
index cb314873af1cb00d6596fbbf8524708fbb05f3b4..14a0236df9ebdda89936985d6213809f4ed0a97b 100755
--- a/tests/integration/console.rb
+++ b/tests/integration/console.rb
@@ -6,4 +6,4 @@ at_exit { Helpers.cleanup }
 Helpers.scenario "interactive"
 Helpers.start_mailhog
 
-Pry.start binding, prompt: Pry::SIMPLE_PROMPT, quiet: true
+Pry.start binding, quiet: true
diff --git a/tests/integration/lib/cozy_file.rb b/tests/integration/lib/cozy_file.rb
index a55e881d928d4fc5c21177491898055d7319db89..57f2c554c48fed996d108579283d53b892518e0a 100644
--- a/tests/integration/lib/cozy_file.rb
+++ b/tests/integration/lib/cozy_file.rb
@@ -55,7 +55,7 @@ class CozyFile
     opts = opts.dup
     opts[:content] = File.read filename
     opts[:name] ||= "#{Faker::Internet.slug}#{File.extname(filename)}"
-    opts[:mime] ||= MimeMagic.by_path(filename).type
+    opts[:mime] ||= MiniMime.lookup_by_filename(filename).content_type
     opts
   end