diff --git a/app/views/projects/builds/_sidebar.html.haml b/app/views/projects/builds/_sidebar.html.haml
index f4a66398c85faabc3d094dc8c25c3d0524a7b380..694f524faed5de98b9e2260bd982322d1d29e24e 100644
--- a/app/views/projects/builds/_sidebar.html.haml
+++ b/app/views/projects/builds/_sidebar.html.haml
@@ -48,7 +48,8 @@
       - if @build.merge_request
         %p.build-detail-row
           %span.build-light-text Merge Request:
-          = link_to "#{@build.merge_request.to_reference}", merge_request_path(@build.merge_request)
+          = link_to merge_request_path(@build.merge_request) do
+            %strong= "#{@build.merge_request.to_reference}"
       - if @build.duration
         %p.build-detail-row
           %span.build-light-text Duration:
diff --git a/changelogs/unreleased/tc-job-page-mr-bold.yml b/changelogs/unreleased/tc-job-page-mr-bold.yml
new file mode 100644
index 0000000000000000000000000000000000000000..0243a25911928bd76105afb8b784108636ddcc2b
--- /dev/null
+++ b/changelogs/unreleased/tc-job-page-mr-bold.yml
@@ -0,0 +1,4 @@
+---
+title: Make MR link in build sidebar bold
+merge_request:
+author: