diff --git a/assets/icons/128.png b/assets/icons/128.png
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diff --git a/assets/icons/16.png b/assets/icons/16.png
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diff --git a/assets/icons/32.png b/assets/icons/32.png
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diff --git a/assets/icons/48.png b/assets/icons/48.png
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diff --git a/manifest.json b/manifest.json
index b9b0adf..e5d14ef 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,6 +2,12 @@
     "manifest_version": 2,
     "name": "To-Do",
     "version": "1.0",
+    "icons": {
+        "16": "assets/icons/16.png",
+        "32": "assets/icons/32.png",
+        "48": "assets/icons/48.png",
+        "128": "assets/icons/128.png"
+    },
     "browser_action": {
         "default_popup": "index.html"
     },