diff --git a/spec/controllers/export_card_configurations_controller_spec.rb b/spec/controllers/export_card_configurations_controller_spec.rb
index e97ac8efda..d179a564de 100644
--- a/spec/controllers/export_card_configurations_controller_spec.rb
+++ b/spec/controllers/export_card_configurations_controller_spec.rb
@@ -29,7 +29,7 @@ require File.dirname(__FILE__) + '/../shared_examples'
 
 describe ExportCardConfigurationsController do
   before do
-    @controller.stub(:require_admin) { true }
+    allow(@controller).to receive(:require_admin) { true }
 
     @default_config = FactoryGirl.create(:default_export_card_configuration)
     @custom_config = FactoryGirl.create(:export_card_configuration)
@@ -86,8 +86,8 @@ describe ExportCardConfigurationsController do
       @params[:export_card_configuration] = { per_page: 4 }
       put 'update', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:notice_successful_update))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:notice_successful_update))
     end
 
     it 'should not let you update a configuration with invalid per_page' do
@@ -95,7 +95,7 @@ describe ExportCardConfigurationsController do
       @params[:export_card_configuration] = { per_page: 0}
       put 'update', @params
 
-      response.should render_template('edit')
+      expect(response).to render_template('edit')
     end
 
     it 'should not let you update a configuration with invalid page_size' do
@@ -103,7 +103,7 @@ describe ExportCardConfigurationsController do
       @params[:export_card_configuration] = { page_size: "invalid"}
       put 'update', @params
 
-      response.should render_template('edit')
+      expect(response).to render_template('edit')
     end
 
     it 'should not let you update a configuration with invalid orientation' do
@@ -111,7 +111,7 @@ describe ExportCardConfigurationsController do
       @params[:export_card_configuration] = { orientation: "invalid"}
       put 'update', @params
 
-      response.should render_template('edit')
+      expect(response).to render_template('edit')
     end
 
     it 'should not let you update a configuration with invalid rows yaml' do
@@ -119,7 +119,7 @@ describe ExportCardConfigurationsController do
       @params[:export_card_configuration] = { rows: "asdf ',#\""}
       put 'update', @params
 
-      response.should render_template('edit')
+      expect(response).to render_template('edit')
     end
   end
 
@@ -128,16 +128,16 @@ describe ExportCardConfigurationsController do
       @params[:id] = @custom_config.id
       delete 'destroy', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:notice_successful_delete))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:notice_successful_delete))
     end
 
     it 'should not let you delete the default configuration' do
       @params[:id] = @default_config.id
       delete 'destroy', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:error_can_not_delete_export_card_configuration))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:error_can_not_delete_export_card_configuration))
     end
   end
 
@@ -146,8 +146,8 @@ describe ExportCardConfigurationsController do
       @params[:id] = @inactive_config.id
       post 'activate', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:notice_export_card_configuration_activated))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:notice_export_card_configuration_activated))
     end
   end
 
@@ -156,16 +156,16 @@ describe ExportCardConfigurationsController do
       @params[:id] = @active_config.id
       post 'deactivate', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:notice_export_card_configuration_deactivated))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:notice_export_card_configuration_deactivated))
     end
 
     it 'should not let you de-activate the default configuration' do
       @params[:id] = @default_config.id
       post 'deactivate', @params
 
-      response.should redirect_to :action => 'index'
-      flash[:notice].should eql(I18n.t(:error_can_not_deactivate_export_card_configuration))
+      expect(response).to redirect_to :action => 'index'
+      expect(flash[:notice]).to eql(I18n.t(:error_can_not_deactivate_export_card_configuration))
     end
   end
 end
diff --git a/spec/export_card/document_generator_spec.rb b/spec/export_card/document_generator_spec.rb
index 31728160a9..5537563377 100644
--- a/spec/export_card/document_generator_spec.rb
+++ b/spec/export_card/document_generator_spec.rb
@@ -53,17 +53,17 @@ describe OpenProject::PdfExport::ExportCard::DocumentGenerator do
 
     it 'shows work package subject' do
       text_analysis = PDF::Inspector::Text.analyze(@generator.render)
-      text_analysis.strings.include?('Work package 1').should be_true
+      expect(text_analysis.strings.include?('Work package 1')).to be_truthy
     end
 
     it 'does not show non existent field label' do
       text_analysis = PDF::Inspector::Text.analyze(@generator.render)
-      text_analysis.strings.include?('Non existent:').should be_false
+      expect(text_analysis.strings.include?('Non existent:')).to be_falsey
     end
 
     it 'should be 1 page' do
       page_analysis = PDF::Inspector::Page.analyze(@generator.render)
-      page_analysis.pages.size.should == 1
+      expect(page_analysis.pages.size).to eq(1)
     end
   end
 
@@ -75,13 +75,13 @@ describe OpenProject::PdfExport::ExportCard::DocumentGenerator do
 
     it 'shows work package subject' do
       text = PDF::Inspector::Text.analyze(@generator.render)
-      text.strings.include?('Work package 1').should be_true
-      text.strings.include?('Work package 2').should be_true
+      expect(text.strings.include?('Work package 1')).to be_truthy
+      expect(text.strings.include?('Work package 2')).to be_truthy
     end
 
     it 'should be 2 pages' do
       page_analysis = PDF::Inspector::Page.analyze(@generator.render)
-      page_analysis.pages.size.should == 2
+      expect(page_analysis.pages.size).to eq(2)
     end
   end
 
diff --git a/spec/views/edit.html.erb_spec.rb b/spec/views/edit.html.erb_spec.rb
index f781a07c29..e998119013 100644
--- a/spec/views/edit.html.erb_spec.rb
+++ b/spec/views/edit.html.erb_spec.rb
@@ -37,12 +37,12 @@ describe 'export_card_configurations/edit' do
   it 'shows edit export card configuration inputs' do
     render
 
-    rendered.should have_field("Name", with: config.name)
-    rendered.should have_field("Description", with: config.description)
-    rendered.should have_field("Per page", with: config.per_page.to_s)
-    rendered.should have_field("Page size", with: config.page_size)
-    rendered.should have_field("Orientation", with: config.orientation)
-    rendered.should have_field("Rows", with: config.rows)
+    expect(rendered).to have_field("Name", with: config.name)
+    expect(rendered).to have_field("Description", with: config.description)
+    expect(rendered).to have_field("Per page", with: config.per_page.to_s)
+    expect(rendered).to have_field("Page size", with: config.page_size)
+    expect(rendered).to have_field("Orientation", with: config.orientation)
+    expect(rendered).to have_field("Rows", with: config.rows)
   end
 
 end
diff --git a/spec/views/index.html.erb_spec.rb b/spec/views/index.html.erb_spec.rb
index e7a824ec20..15e6b893f8 100644
--- a/spec/views/index.html.erb_spec.rb
+++ b/spec/views/index.html.erb_spec.rb
@@ -39,8 +39,8 @@ describe 'export_card_configurations/index' do
   it 'shows export card configurations' do
     render
 
-    rendered.should have_selector("a", text: config1.name)
-    rendered.should have_selector("a", text: config2.name)
+    expect(rendered).to have_selector("a", text: config1.name)
+    expect(rendered).to have_selector("a", text: config2.name)
   end
 
 end
diff --git a/spec/views/new.html.erb_spec.rb b/spec/views/new.html.erb_spec.rb
index 13fd1bb619..0e465367d0 100644
--- a/spec/views/new.html.erb_spec.rb
+++ b/spec/views/new.html.erb_spec.rb
@@ -36,11 +36,11 @@ describe 'export_card_configurations/new' do
   it 'shows new export card configuration empty inputs' do
     render
 
-    rendered.should have_css("input#export_card_configuration_name")
-    rendered.should have_css("input#export_card_configuration_per_page")
-    rendered.should have_css("input#export_card_configuration_page_size")
-    rendered.should have_css("select#export_card_configuration_orientation")
-    rendered.should have_css("textarea#export_card_configuration_rows")
+    expect(rendered).to have_css("input#export_card_configuration_name")
+    expect(rendered).to have_css("input#export_card_configuration_per_page")
+    expect(rendered).to have_css("input#export_card_configuration_page_size")
+    expect(rendered).to have_css("select#export_card_configuration_orientation")
+    expect(rendered).to have_css("textarea#export_card_configuration_rows")
   end
 
 end