diff --git a/pom.xml b/pom.xml
index 1b9cfa9d9..f0ef9e0db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
         <hpi.compatibleSinceVersion>2.2.0</hpi.compatibleSinceVersion>
         <java.level>8</java.level>
-        <jenkins.version>2.283</jenkins.version>
+        <jenkins.version>2.277.1</jenkins.version>
         <useBeta>true</useBeta>
     </properties>
 
diff --git a/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubSCMNavigator.java b/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubSCMNavigator.java
index 425bef352..d44adb13e 100644
--- a/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubSCMNavigator.java
+++ b/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubSCMNavigator.java
@@ -83,7 +83,6 @@
 import net.jcip.annotations.GuardedBy;
 import org.apache.commons.lang.StringUtils;
 import org.jenkins.ui.icon.Icon;
-import org.jenkins.ui.icon.IconFormat;
 import org.jenkins.ui.icon.IconSet;
 import org.jenkins.ui.icon.IconSpec;
 import org.jenkinsci.Symbol;
@@ -1777,77 +1776,65 @@ public List<SCMTrait<? extends SCMTrait<?>>> getTraitsDefaults() {
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-logo icon-sm",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-logo",
-              Icon.ICON_SMALL_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/16x16/github-logo.png",
+              Icon.ICON_SMALL_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-logo icon-md",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-logo",
-              Icon.ICON_MEDIUM_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/24x24/github-logo.png",
+              Icon.ICON_MEDIUM_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-logo icon-lg",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-logo",
-              Icon.ICON_LARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/32x32/github-logo.png",
+              Icon.ICON_LARGE_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-logo icon-xlg",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-logo",
-              Icon.ICON_XLARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/48x48/github-logo.png",
+              Icon.ICON_XLARGE_STYLE));
 
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-repo icon-sm",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-repo",
-              Icon.ICON_SMALL_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/16x16/github-repo.png",
+              Icon.ICON_SMALL_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-repo icon-md",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-repo",
-              Icon.ICON_MEDIUM_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/24x24/github-repo.png",
+              Icon.ICON_MEDIUM_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-repo icon-lg",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#github-repo",
-              Icon.ICON_LARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/32x32/github-repo.png",
+              Icon.ICON_LARGE_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-repo icon-xlg",
-              "github-branch-source/images/svgs/sprite-github.svg#github-repo",
-              Icon.ICON_XLARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/48x48/github-repo.png",
+              Icon.ICON_XLARGE_STYLE));
 
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-branch icon-sm",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#git-branch",
-              Icon.ICON_SMALL_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/16x16/github-branch.png",
+              Icon.ICON_SMALL_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-branch icon-md",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#git-branch",
-              Icon.ICON_MEDIUM_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/24x24/github-branch.png",
+              Icon.ICON_MEDIUM_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-branch icon-lg",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#git-branch",
-              Icon.ICON_LARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/32x32/github-branch.png",
+              Icon.ICON_LARGE_STYLE));
       IconSet.icons.addIcon(
           new Icon(
               "icon-github-branch icon-xlg",
-              "plugin/github-branch-source/images/svgs/sprite-github.svg#git-branch",
-              Icon.ICON_XLARGE_STYLE,
-              IconFormat.EXTERNAL_SVG_SPRITE));
+              "plugin/github-branch-source/images/48x48/github-branch.png",
+              Icon.ICON_XLARGE_STYLE));
     }
   }
 
diff --git a/src/main/webapp/images/16x16/github-branch.png b/src/main/webapp/images/16x16/github-branch.png
new file mode 100644
index 000000000..50bee5ced
Binary files /dev/null and b/src/main/webapp/images/16x16/github-branch.png differ
diff --git a/src/main/webapp/images/16x16/github-repo.png b/src/main/webapp/images/16x16/github-repo.png
new file mode 100644
index 000000000..8b066c9a6
Binary files /dev/null and b/src/main/webapp/images/16x16/github-repo.png differ
diff --git a/src/main/webapp/images/24x24/github-branch.png b/src/main/webapp/images/24x24/github-branch.png
new file mode 100644
index 000000000..97e02334f
Binary files /dev/null and b/src/main/webapp/images/24x24/github-branch.png differ
diff --git a/src/main/webapp/images/24x24/github-repo.png b/src/main/webapp/images/24x24/github-repo.png
new file mode 100644
index 000000000..3ccfa3b3b
Binary files /dev/null and b/src/main/webapp/images/24x24/github-repo.png differ
diff --git a/src/main/webapp/images/32x32/github-branch.png b/src/main/webapp/images/32x32/github-branch.png
new file mode 100644
index 000000000..fcd485ed8
Binary files /dev/null and b/src/main/webapp/images/32x32/github-branch.png differ
diff --git a/src/main/webapp/images/32x32/github-repo.png b/src/main/webapp/images/32x32/github-repo.png
new file mode 100644
index 000000000..9c2102250
Binary files /dev/null and b/src/main/webapp/images/32x32/github-repo.png differ
diff --git a/src/main/webapp/images/48x48/github-branch.png b/src/main/webapp/images/48x48/github-branch.png
new file mode 100644
index 000000000..4a1a94065
Binary files /dev/null and b/src/main/webapp/images/48x48/github-branch.png differ
diff --git a/src/main/webapp/images/48x48/github-repo.png b/src/main/webapp/images/48x48/github-repo.png
new file mode 100644
index 000000000..227787a7d
Binary files /dev/null and b/src/main/webapp/images/48x48/github-repo.png differ
diff --git a/src/main/webapp/images/svgs/sprite-github.svg b/src/main/webapp/images/svgs/sprite-github.svg
deleted file mode 100644
index 0f41928da..000000000
--- a/src/main/webapp/images/svgs/sprite-github.svg
+++ /dev/null
@@ -1,12 +0,0 @@
-<!-- Sourced from https://github.com/primer/octicons -->
-<svg xmlns="http://www.w3.org/2000/svg">
-    <symbol id="github-logo" viewBox="0 0 24 24">
-        <path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/>
-    </symbol>
-    <symbol id="github-repo" viewBox="0 0 24 24">
-        <path fill-rule="evenodd" d="M3 2.75A2.75 2.75 0 015.75 0h14.5a.75.75 0 01.75.75v20.5a.75.75 0 01-.75.75h-6a.75.75 0 010-1.5h5.25v-4H6A1.5 1.5 0 004.5 18v.75c0 .716.43 1.334 1.05 1.605a.75.75 0 01-.6 1.374A3.25 3.25 0 013 18.75v-16zM19.5 1.5V15H6c-.546 0-1.059.146-1.5.401V2.75c0-.69.56-1.25 1.25-1.25H19.5z"/>
-    </symbol>
-    <symbol id="git-branch" viewBox="0 0 24 24">
-        <path fill-rule="evenodd" d="M5.75 21a1.75 1.75 0 110-3.5 1.75 1.75 0 010 3.5zM2.5 19.25a3.25 3.25 0 106.5 0 3.25 3.25 0 00-6.5 0zM5.75 6.5a1.75 1.75 0 110-3.5 1.75 1.75 0 010 3.5zM2.5 4.75a3.25 3.25 0 106.5 0 3.25 3.25 0 00-6.5 0zM18.25 6.5a1.75 1.75 0 110-3.5 1.75 1.75 0 010 3.5zM15 4.75a3.25 3.25 0 106.5 0 3.25 3.25 0 00-6.5 0z"/><path fill-rule="evenodd" d="M5.75 16.75A.75.75 0 006.5 16V8A.75.75 0 005 8v8c0 .414.336.75.75.75z"/><path fill-rule="evenodd" d="M17.5 8.75v-1H19v1a3.75 3.75 0 01-3.75 3.75h-7a1.75 1.75 0 00-1.75 1.75H5A3.25 3.25 0 018.25 11h7a2.25 2.25 0 002.25-2.25z"/>
-    </symbol>
-</svg>
\ No newline at end of file