diff --git a/package.json b/package.json
index f909a05..9bb85d2 100644
--- a/package.json
+++ b/package.json
@@ -7,12 +7,9 @@
     "type": "git",
     "url": "git://github.com/dominictarr/pull-many.git"
   },
-  "dependencies": {
-    "pull-stream": "^3.4.5"
-  },
   "devDependencies": {
     "interleavings": "~0.3.0",
-    "pull-stream": "~2.23.0",
+    "pull-stream": "~3.6.1",
     "tape": "~4.0.0"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index e77443d..07d6e12 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1,14 +1,16 @@
 # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
 # yarn lockfile v1
-balanced-match@^0.4.1:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
 
-brace-expansion@^1.0.0:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.6.tgz#7197d7eaa9b87e648390ea61fc66c84427420df9"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+brace-expansion@^1.1.7:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
   dependencies:
-    balanced-match "^0.4.1"
+    balanced-match "^1.0.0"
     concat-map "0.0.1"
 
 concat-map@0.0.1:
@@ -38,13 +40,13 @@ infer-partial-order@~0.1.1:
   resolved "https://registry.yarnpkg.com/infer-partial-order/-/infer-partial-order-0.1.1.tgz#b77ac226e76fd7f37a8eedd85d8d4d6e9791257e"
 
 inflight@^1.0.4:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.5.tgz#db3204cd5a9de2e6cd890b85c6e2f66bcf4f620a"
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
   dependencies:
     once "^1.3.0"
     wrappy "1"
 
-inherits@~2.0.1, inherits@2:
+inherits@2, inherits@~2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -56,10 +58,10 @@ interleavings@~0.3.0:
     rng "~0.2.2"
 
 "minimatch@2 || 3":
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.3.tgz#2a4e4090b96b2db06a9d7df01055a62a77c9b774"
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
-    brace-expansion "^1.0.0"
+    brace-expansion "^1.1.7"
 
 object-inspect@~1.0.0:
   version "1.0.2"
@@ -75,9 +77,9 @@ path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
-pull-stream:
-  version "3.4.5"
-  resolved "https://registry.yarnpkg.com/pull-stream/-/pull-stream-3.4.5.tgz#dab04df30f28d1da8db0f236805f25436b01ba72"
+pull-stream@~3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/pull-stream/-/pull-stream-3.6.1.tgz#c5c2ae4a51246efeebcc65c0412a3d725a92ce00"
 
 resumer@~0.0.0:
   version "0.0.0"
@@ -108,4 +110,3 @@ through@~2.3.4:
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
-