diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 5b6ec0d..df39c9e 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -623,8 +623,8 @@
     },
     "ethereumjs-util": {
       "version": "5.0.1",
-      "from": "git://github.com/yusefnapora/ethereumjs-util.git#c5d3d872e2b36de167fc5869006a94064adfa9d7",
-      "resolved": "git://github.com/yusefnapora/ethereumjs-util.git#c5d3d872e2b36de167fc5869006a94064adfa9d7"
+      "from": "git://github.com/ethereumjs/ethereumjs-util.git#ac5d0908536b447083ea422b435da27f26615de9",
+      "resolved": "git://github.com/ethereumjs/ethereumjs-util.git#ac5d0908536b447083ea422b435da27f26615de9"
     },
     "evp_bytestokey": {
       "version": "1.0.0",
diff --git a/package.json b/package.json
index 1ed2ec7..b845a77 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "byline": "^5.0.0",
     "digest-stream": "^1.0.1",
     "duplex-child-process": "0.0.5",
-    "ethereumjs-util": "git://github.com/yusefnapora/ethereumjs-util.git#c5d3d872e2b36de167fc5869006a94064adfa9d7",
+    "ethereumjs-util": "git://github.com/ethereumjs/ethereumjs-util.git#ac5d0908536b447083ea422b435da27f26615de9",
     "knex": "^0.12.6",
     "levelup": "^1.3.3",
     "libp2p-crypto": "git://github.com/yusefnapora/js-libp2p-crypto.git#ec387c3b9eafca2ca0ad5defa7dd80dcc978950a",