diff --git a/Gemfile.lock b/Gemfile.lock
index 88687fc5d..1a9c681e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -22,25 +22,25 @@ GEM
   specs:
     aasm (5.0.1)
       concurrent-ruby (~> 1.0)
-    actioncable (5.2.1)
-      actionpack (= 5.2.1)
+    actioncable (5.2.1.1)
+      actionpack (= 5.2.1.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.1)
-      actionpack (= 5.2.1)
-      actionview (= 5.2.1)
-      activejob (= 5.2.1)
+    actionmailer (5.2.1.1)
+      actionpack (= 5.2.1.1)
+      actionview (= 5.2.1.1)
+      activejob (= 5.2.1.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.1)
-      actionview (= 5.2.1)
-      activesupport (= 5.2.1)
+    actionpack (5.2.1.1)
+      actionview (= 5.2.1.1)
+      activesupport (= 5.2.1.1)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.1)
-      activesupport (= 5.2.1)
+    actionview (5.2.1.1)
+      activesupport (= 5.2.1.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
@@ -53,24 +53,24 @@ GEM
       activemodel (>= 4.1, < 6)
       case_transform (>= 0.2)
       jsonapi-renderer (>= 0.1.1.beta1, < 0.3)
-    activejob (5.2.1)
-      activesupport (= 5.2.1)
+    activejob (5.2.1.1)
+      activesupport (= 5.2.1.1)
       globalid (>= 0.3.6)
-    activemodel (5.2.1)
-      activesupport (= 5.2.1)
+    activemodel (5.2.1.1)
+      activesupport (= 5.2.1.1)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.2.1)
-      activemodel (= 5.2.1)
-      activesupport (= 5.2.1)
+    activerecord (5.2.1.1)
+      activemodel (= 5.2.1.1)
+      activesupport (= 5.2.1.1)
       arel (>= 9.0)
-    activestorage (5.2.1)
-      actionpack (= 5.2.1)
-      activerecord (= 5.2.1)
+    activestorage (5.2.1.1)
+      actionpack (= 5.2.1.1)
+      activerecord (= 5.2.1.1)
       marcel (~> 0.3.1)
-    activesupport (5.2.1)
+    activesupport (5.2.1.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -333,13 +333,13 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
     mailjet (1.5.4)
       activesupport (>= 3.1.0)
       rack (>= 1.4.0)
       rest-client
-    marcel (0.3.2)
+    marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
     mime-types (3.2.2)
@@ -436,18 +436,18 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.1)
-      actioncable (= 5.2.1)
-      actionmailer (= 5.2.1)
-      actionpack (= 5.2.1)
-      actionview (= 5.2.1)
-      activejob (= 5.2.1)
-      activemodel (= 5.2.1)
-      activerecord (= 5.2.1)
-      activestorage (= 5.2.1)
-      activesupport (= 5.2.1)
+    rails (5.2.1.1)
+      actioncable (= 5.2.1.1)
+      actionmailer (= 5.2.1.1)
+      actionpack (= 5.2.1.1)
+      actionview (= 5.2.1.1)
+      activejob (= 5.2.1.1)
+      activemodel (= 5.2.1.1)
+      activerecord (= 5.2.1.1)
+      activestorage (= 5.2.1.1)
+      activesupport (= 5.2.1.1)
       bundler (>= 1.3.0)
-      railties (= 5.2.1)
+      railties (= 5.2.1.1)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.2)
       actionpack (~> 5.x, >= 5.0.1)
@@ -461,9 +461,9 @@ GEM
     rails-i18n (5.1.2)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
-    railties (5.2.1)
-      actionpack (= 5.2.1)
-      activesupport (= 5.2.1)
+    railties (5.2.1.1)
+      actionpack (= 5.2.1.1)
+      activesupport (= 5.2.1.1)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
diff --git a/spec/mailers/avis_mailer_spec.rb b/spec/mailers/avis_mailer_spec.rb
index de8482ed1..37d3e6674 100644
--- a/spec/mailers/avis_mailer_spec.rb
+++ b/spec/mailers/avis_mailer_spec.rb
@@ -7,7 +7,7 @@ RSpec.describe AvisMailer, type: :mailer do
     subject { described_class.avis_invitation(avis) }
 
     it { expect(subject.subject).to eq("Donnez votre avis sur le dossier nº #{avis.dossier.id} (#{avis.dossier.procedure.libelle})") }
-    it { expect(subject.body).to have_text("Vous avez été invité par\n#{avis.claimant.email}\nà donner votre avis sur le dossier nº #{avis.dossier.id} de la démarche :\n#{avis.dossier.procedure.libelle}") }
+    it { expect(subject.body).to have_text("Vous avez été invité par\r\n#{avis.claimant.email}\r\nà donner votre avis sur le dossier nº #{avis.dossier.id} de la démarche :\r\n#{avis.dossier.procedure.libelle}") }
     it { expect(subject.body).to include(avis.introduction) }
     it { expect(subject.body).to include(gestionnaire_avis_url(avis)) }