diff --git a/packages/optimism-decoder/package.json b/packages/optimism-decoder/package.json
index 36057757..44b91446 100644
--- a/packages/optimism-decoder/package.json
+++ b/packages/optimism-decoder/package.json
@@ -12,9 +12,9 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "@loopx/bufio": "^1.2.2",
     "@types/node": "^17.0.41",
     "@types/node-fetch": "^2.6.2",
+    "bufio": "^1.2.1",
     "chalk": "^4.1.2",
     "dotenv": "^16.0.1",
     "ethers": "^5.6.8",
diff --git a/packages/optimism-decoder/src/decode.ts b/packages/optimism-decoder/src/decode.ts
index 31c4b539..6611e9ad 100644
--- a/packages/optimism-decoder/src/decode.ts
+++ b/packages/optimism-decoder/src/decode.ts
@@ -1,4 +1,4 @@
-import { BufferReader } from '@loopx/bufio'
+import { BufferReader } from 'bufio'
 import { ethers } from 'ethers'
 import zlib from 'zlib'
 
diff --git a/yarn.lock b/yarn.lock
index 54f8e0ca..7e11eef3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -439,13 +439,6 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
-"@loopx/bufio@^1.2.2":
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/@loopx/bufio/-/bufio-1.2.2.tgz#1acdb9d86dd1d0b8e655bf63a101758b9bc875d7"
-  integrity sha512-TdRhghkpAIZrVKjOQleaAGqBSuHDgoYt2ZoY8k5QN8r+yJCEVUeWFZdwtYC/WHWvRkT2YLgq8d4p2eZDTsTr3w==
-  dependencies:
-    tslib "^2.2.0"
-
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"
@@ -925,6 +918,11 @@ bser@2.1.1:
   dependencies:
     node-int64 "^0.4.0"
 
+bufio@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/bufio/-/bufio-1.2.1.tgz#8d4ab3ddfcd5faa90f996f922f9397d41cbaf2de"
+  integrity sha512-9oR3zNdupcg/Ge2sSHQF3GX+kmvL/fTPvD0nd5AGLq8SjUYnTz+SlFjK/GXidndbZtIj+pVKXiWeR9w6e9wKCA==
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -3790,11 +3788,6 @@ tslib@^1.8.1:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.2.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
-  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
-
 tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"