diff --git a/package-lock.json b/package-lock.json
index 51e620a..aa4e228 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,6 +32,12 @@
         "concat-map": "0.0.1"
       }
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+    "buffer-shims": {
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+      "resolved": "https://registry.npmjs.org/buffer-shims/-/buffer-shims-1.0.0.tgz",
+      "integrity": "sha1-mXjOMXOIxkmth5MCjDR37wRKi1E=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -246,9 +252,9 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
+      "version": "4.17.11",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
       "dev": true
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@@ -335,9 +341,9 @@
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     "process-nextick-args": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+      "integrity": "sha1-FQ4gt1ZZCtP5EJPyWk8q2L/zC6M=",
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@@ -347,17 +353,17 @@
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-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-      "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+      "version": "2.2.9",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.9.tgz",
+      "integrity": "sha1-z3jsb0ptHrQ9JkiMrJfwQudLf8g=",
       "dev": true,
       "requires": {
+        "buffer-shims": "~1.0.0",
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-        "inherits": "~2.0.3",
+        "inherits": "~2.0.1",
         "isarray": "~1.0.0",
-        "process-nextick-args": "~2.0.0",
-        "safe-buffer": "~5.1.1",
-        "string_decoder": "~1.1.1",
+        "process-nextick-args": "~1.0.6",
+        "string_decoder": "~1.0.0",
         "util-deprecate": "~1.0.1"
       }
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@@ -392,9 +398,9 @@
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-      "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=",
       "dev": true,
       "requires": {
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@@ -412,9 +418,9 @@
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-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "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==",
       "dev": true,
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@@ -436,44 +442,44 @@
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-      "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==",
       "dev": true,
       "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"
       }
     },
     "tap-spec": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/tap-spec/-/tap-spec-4.1.2.tgz",
-      "integrity": "sha512-CmZP7vp9Jk7fND0nvdjIzjGMZnBDx1jVG7T9x6i2GZb/ejIODGz7OSsWFfwwuEcY9yHWtpD/mdLverla0M8EWA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/tap-spec/-/tap-spec-5.0.0.tgz",
+      "integrity": "sha512-zMDVJiE5I6Y4XGjlueGXJIX2YIkbDN44broZlnypT38Hj/czfOXrszHNNJBF/DXR8n+x6gbfSx68x04kIEHdrw==",
       "dev": true,
       "requires": {
         "chalk": "^1.0.0",
         "duplexer": "^0.1.1",
         "figures": "^1.4.0",
-        "lodash": "^3.6.0",
+        "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"
       }
     },
     "tape": {
-      "version": "4.9.2",
-      "resolved": "https://registry.npmjs.org/tape/-/tape-4.9.2.tgz",
-      "integrity": "sha512-lPXKRKILZ1kZaUy5ynWKs8ATGSUO7HAFHCFnBam6FaGSqPdOwMWbxXHq4EXFLE8WRTleo/YOMXkaUTRmTB1Fiw==",
+      "version": "4.10.0",
+      "resolved": "https://registry.npmjs.org/tape/-/tape-4.10.0.tgz",
+      "integrity": "sha512-3PgdF0vcZ1t7HEYbpTXdo58KXi19QCGcZfj07A53M2DH14P2Fw3cB3f9pF7e/Br2z+PQm7xlvhjzHH3D8ti99g==",
       "dev": true,
       "requires": {
         "deep-equal": "~1.0.1",
         "defined": "~1.0.0",
         "for-each": "~0.3.3",
         "function-bind": "~1.1.1",
-        "glob": "~7.1.2",
+        "glob": "~7.1.3",
         "has": "~1.0.3",
         "inherits": "~2.0.3",
         "minimist": "~1.2.0",
@@ -498,6 +504,38 @@
       "requires": {
         "readable-stream": "~2.3.6",
         "xtend": "~4.0.1"
+      },
+      "dependencies": {
+        "process-nextick-args": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
+          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
+          "dev": true
+        },
+        "readable-stream": {
+          "version": "2.3.6",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
       }
     },
     "trim": {
diff --git a/package.json b/package.json
index b6e1a20..aaedca1 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "author": "Terkel Gjervig",
   "license": "MIT",
   "devDependencies": {
-    "tap-spec": "^4.1.2",
-    "tape": "^4.9.2"
+    "tap-spec": "^5.0.0",
+    "tape": "^4.10.0"
   }
 }