diff --git a/.changelog/11371.txt b/.changelog/11371.txt
new file mode 100644
index 000000000..5ef365598
--- /dev/null
+++ b/.changelog/11371.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+ui: Update Nomad UI favicon
+```
diff --git a/ui/app/index.html b/ui/app/index.html
index 855963b70..2f5a30eae 100644
--- a/ui/app/index.html
+++ b/ui/app/index.html
@@ -11,7 +11,7 @@
 
     <link rel="stylesheet" href="{{rootURL}}assets/vendor.css">
     <link rel="stylesheet" href="{{rootURL}}assets/nomad-ui.css">
-    <link rel="icon" type="image/png" href="{{rootURL}}/favicon.png" />
+    <link rel="icon" type="image/png" href="{{rootURL}}/favicon.ico" />
 
     {{content-for "head-footer"}}
   </head>
diff --git a/ui/public/favicon.ico b/ui/public/favicon.ico
new file mode 100644
index 000000000..fb478987f
--- /dev/null
+++ b/ui/public/favicon.ico
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:61f80e638deb85cfb650192c2e1e825dbbe46d98920b19bf3ca6ab9782518b97
+size 15086
diff --git a/ui/public/favicon.png b/ui/public/favicon.png
deleted file mode 100644
index c4d912cec..000000000
--- a/ui/public/favicon.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7a5449ff652b51b42adc6efda9f6e19c43801b1ab92e0b3e0ff6d026e326adbd
-size 6714