diff --git a/package-lock.json b/package-lock.json
index 3f40c88..a46e8ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "tap-spec",
-  "version": "4.1.2",
+  "version": "5.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -36,6 +36,11 @@
         "concat-map": "0.0.1"
       }
     },
+    "buffer-shims": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
+      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E="
+    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -372,9 +377,9 @@
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "split": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/split/-/split-1.0.1.tgz",
-      "integrity": "sha512-mTyOoPbrivtXnwnIxZRFYRrPNtEFKlpB2fvjSnCQUiAA6qAZzqwna5envK4uk6OIeP17CsdF3rSBGYVBsU0Tkg==",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/split/-/split-1.0.0.tgz",
+      "integrity": "sha1-xDlc5oOrzSVLwo/h2rtuXCfc/64=",
       "requires": {
         "through": "2"
       }
@@ -412,14 +417,43 @@
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
     },
     "tap-out": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/tap-out/-/tap-out-1.4.2.tgz",
-      "integrity": "sha1-yQfsG/lAURHQiCY+kvVgi4jLs3o=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tap-out/-/tap-out-2.1.0.tgz",
+      "integrity": "sha512-LJE+TBoVbOWhwdz4+FQk40nmbIuxJLqaGvj3WauQw3NYYU5TdjoV3C0x/yq37YAvVyi+oeBXmWnxWSjJ7IEyUw==",
       "requires": {
-        "re-emitter": "^1.0.0",
-        "readable-stream": "^2.0.0",
-        "split": "^1.0.0",
+        "re-emitter": "1.1.3",
+        "readable-stream": "2.2.9",
+        "split": "1.0.0",
         "trim": "0.0.1"
+      },
+      "dependencies": {
+        "process-nextick-args": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+          "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M="
+        },
+        "readable-stream": {
+          "version": "2.2.9",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.9.tgz",
+          "integrity": "sha1-z3jsb0ptHrQ9JkiMrJfwQudLf8g=",
+          "requires": {
+            "buffer-shims": "~1.0.0",
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~1.0.6",
+            "string_decoder": "~1.0.0",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
       }
     },
     "tape": {
diff --git a/package.json b/package.json
index 1da08e1..084b1c7 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "lodash": "^4.17.10",
     "pretty-ms": "^2.1.0",
     "repeat-string": "^1.5.2",
-    "tap-out": "^1.4.1",
+    "tap-out": "^2.1.0",
     "through2": "^2.0.0"
   },
   "bin": {