diff --git a/.all-contributorsrc b/.all-contributorsrc
index 3f27cc4..605497b 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -5,6 +5,24 @@
   "imageSize": 100,
   "commit": false,
   "contributors": [
+    {
+      "login": "StillFantastic",
+      "name": "Bill Hsu",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/28007209?v=4",
+      "profile": "https://github.com/StillFantastic",
+      "contributions": [
+        "code"
+      ]
+    },
+    {
+      "login": "boyuchen0224",
+      "name": "boyuchen",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/26523039?v=4",
+      "profile": "https://github.com/boyuchen0224",
+      "contributions": [
+        "code"
+      ]
+    },
     {
       "login": "HappyFeet07",
       "name": "HappyFeet07",
diff --git a/README.md b/README.md
index ff20471..870086e 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,8 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <!-- prettier-ignore -->
 <table>
   <tr>
+    <td align="center"><a href="https://github.com/StillFantastic"><img src="https://avatars3.githubusercontent.com/u/28007209?v=4" width="100px;" alt="Bill Hsu"/><br /><sub><b>Bill Hsu</b></sub></a><br /><a href="https://github.com/cypherpunks-core/cypherpunks-ctf/commits?author=StillFantastic" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/boyuchen0224"><img src="https://avatars2.githubusercontent.com/u/26523039?v=4" width="100px;" alt="boyuchen"/><br /><sub><b>boyuchen</b></sub></a><br /><a href="https://github.com/cypherpunks-core/cypherpunks-ctf/commits?author=boyuchen0224" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/HappyFeet07"><img src="https://avatars1.githubusercontent.com/u/34086197?v=4" width="100px;" alt="HappyFeet07"/><br /><sub><b>HappyFeet07</b></sub></a><br /><a href="https://github.com/cypherpunks-core/cypherpunks-ctf/commits?author=HappyFeet07" title="Code">💻</a></td>
   </tr>
 </table>