diff --git a/Gemfile.lock b/Gemfile.lock
index e9be030a8fa..e3da9757851 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -179,7 +179,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.0.1.1)
       emoji (~> 1.0.1)
-    gitlab_git (6.2.1)
+    gitlab_git (6.3.0)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-grit (~> 2.6)
diff --git a/app/views/projects/blame/show.html.haml b/app/views/projects/blame/show.html.haml
index 64bbd495102..464e7ca40e1 100644
--- a/app/views/projects/blame/show.html.haml
+++ b/app/views/projects/blame/show.html.haml
@@ -10,8 +10,7 @@
       %span.options= render "projects/blob/actions"
     .file-content.blame.highlight
       %table
-        - current_line = 1
-        - @blame.each do |commit, lines|
+        - @blame.each do |commit, lines, since|
           - commit = Commit.new(commit)
           %tr
             %td.blame-commit
@@ -23,14 +22,9 @@
                 = link_to_gfm truncate(commit.title, length: 20), project_commit_path(@project, commit.id), class: "row_title"
             %td.lines.blame-numbers
               %pre
-                - if lines.empty?
-                  = current_line
-                  - current_line += 1
-                - else
-                  - lines.each do |line|
-                    = current_line
-                    \
-                    - current_line += 1
+                - (since...(since + lines.count)).each do |i|
+                  = i
+                  \
             %td.lines
               %pre
                 %code{ class: highlightjs_class(@blob.name) }