diff --git a/electron/assets/icons/indicator/running-d.png b/electron/assets/icons/indicator/running-d.png
index 8896288f2c..6a9d2e5a31 100644
Binary files a/electron/assets/icons/indicator/running-d.png and b/electron/assets/icons/indicator/running-d.png differ
diff --git a/electron/assets/icons/indicator/running-d@2x.png b/electron/assets/icons/indicator/running-d@2x.png
index 122d71a124..cc8ff4c445 100644
Binary files a/electron/assets/icons/indicator/running-d@2x.png and b/electron/assets/icons/indicator/running-d@2x.png differ
diff --git a/electron/assets/icons/indicator/running-l.png b/electron/assets/icons/indicator/running-l.png
index 145dfde887..7d1f6ed647 100644
Binary files a/electron/assets/icons/indicator/running-l.png and b/electron/assets/icons/indicator/running-l.png differ
diff --git a/electron/assets/icons/indicator/running-l@2x.png b/electron/assets/icons/indicator/running-l@2x.png
index a800f16b7a..57466a439f 100644
Binary files a/electron/assets/icons/indicator/running-l@2x.png and b/electron/assets/icons/indicator/running-l@2x.png differ
diff --git a/electron/assets/icons/indicator/stopped-d.png b/electron/assets/icons/indicator/stopped-d.png
index a339ac8865..623ed6d764 100644
Binary files a/electron/assets/icons/indicator/stopped-d.png and b/electron/assets/icons/indicator/stopped-d.png differ
diff --git a/electron/assets/icons/indicator/stopped-d@2x.png b/electron/assets/icons/indicator/stopped-d@2x.png
index b4063b1d36..6b5175aa8d 100644
Binary files a/electron/assets/icons/indicator/stopped-d@2x.png and b/electron/assets/icons/indicator/stopped-d@2x.png differ
diff --git a/electron/assets/icons/indicator/stopped-l.png b/electron/assets/icons/indicator/stopped-l.png
index 69c0252043..07c8d3465e 100644
Binary files a/electron/assets/icons/indicator/stopped-l.png and b/electron/assets/icons/indicator/stopped-l.png differ
diff --git a/electron/assets/icons/indicator/stopped-l@2x.png b/electron/assets/icons/indicator/stopped-l@2x.png
index d2ba3f4ea1..71d81ab017 100644
Binary files a/electron/assets/icons/indicator/stopped-l@2x.png and b/electron/assets/icons/indicator/stopped-l@2x.png differ
diff --git a/electron/indicator.test.cjs b/electron/indicator.test.cjs
index 2369dada9c..46e91ac8e1 100644
--- a/electron/indicator.test.cjs
+++ b/electron/indicator.test.cjs
@@ -251,15 +251,50 @@ test('initIndicator uses NativeImage for Linux tray creation and updates', () =>
     undefined,
   );
 
+  // On Linux the running icon stays static (no progress-animation frames) to
+  // avoid StatusNotifierItem flicker (#4905).
   assert.equal(traySetImageCalls.at(-1).kind, 'native-image');
   assert.match(
     traySetImageCalls.at(-1).iconPath,
-    /\/icons\/indicator\/running-anim-d\/3\.png$/,
+    /\/icons\/indicator\/running-d\.png$/,
   );
 
   beforeQuitHandler();
 });
 
+test('non-Linux platforms keep the running progress animation', () => {
+  Object.defineProperty(process, 'platform', {
+    configurable: true,
+    value: 'darwin',
+  });
+  const { initIndicator } = loadIndicatorModule();
+
+  initIndicator({
+    showApp: () => {},
+    quitApp: () => {},
+    ICONS_FOLDER: '/icons/',
+    forceDarkTray: false,
+    app: { on: () => {} },
+  });
+
+  const currentTaskUpdated = ipcHandlers.get('CURRENT_TASK_UPDATED');
+  currentTaskUpdated(
+    {},
+    { id: 'T1', title: 'Task', timeSpent: 5 * 60000, timeEstimate: 25 * 60000 },
+    false,
+    0,
+    false,
+    0,
+    undefined,
+  );
+
+  // macOS uses the black (`-l`) template icon and still animates progress.
+  assert.match(
+    traySetImageCalls.at(-1).iconPath,
+    /\/icons\/indicator\/running-anim-l\/3\.png$/,
+  );
+});
+
 test('initIndicator falls back to icon path if NativeImage creation is empty', () => {
   nextNativeImageIsEmpty = true;
   const { initIndicator } = loadIndicatorModule();
diff --git a/electron/indicator.ts b/electron/indicator.ts
index 9ac2ce0016..dacef9b150 100644
--- a/electron/indicator.ts
+++ b/electron/indicator.ts
@@ -559,7 +559,12 @@ function createContextMenu(msg?: string): Menu {
 // eslint-disable-next-line prefer-arrow/prefer-arrow-functions
 function getRunningIconPath(progress?: number): string {
   const suf = shouldUseDarkColors ? '-d' : '-l';
-  if (typeof progress === 'number' && progress > 0 && isFinite(progress)) {
+  // Linux StatusNotifierItem hosts redraw the whole tray item on every
+  // Tray.setImage(); cycling through the 16 progress-animation frames makes the
+  // icon visibly flicker between a full and a partial ring (#4905). Show a single
+  // static running icon there instead — elapsed/remaining time still shows in the
+  // tray context-menu label (and the title/OS taskbar where the host supports it).
+  if (!IS_LINUX && typeof progress === 'number' && progress > 0 && isFinite(progress)) {
     const f = Math.min(Math.round(progress * 15), 15);
     return DIR + `running-anim${suf}/${f || 0}.png`;
   }