diff --git a/package-lock.json b/package-lock.json
index 96910f05..d98c1db7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,9 +26,9 @@
       }
     },
     "@ava/babel-preset-transform-test-files": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/@ava/babel-preset-transform-test-files/-/babel-preset-transform-test-files-4.0.1.tgz",
-      "integrity": "sha512-D7Z92B8Rgsj35JZveKJGwpUDuBKLiRKH6eyKpNmDHy7TJjr8y3VSDr3bUK+O456F3SkkBXrUihQuMrr39nWQhQ==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@ava/babel-preset-transform-test-files/-/babel-preset-transform-test-files-5.0.0.tgz",
+      "integrity": "sha512-rqgyQwkT0+j2JzYP51dOv80u33rzAvjBtXRzUON+7+6u26mjoudRXci2+1s18rat8r4uOlZfbzm114YS6pwmYw==",
       "dev": true,
       "requires": {
         "@ava/babel-plugin-throws-helper": "^3.0.0",
@@ -1375,16 +1375,16 @@
       "dev": true
     },
     "ava": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/ava/-/ava-1.3.1.tgz",
-      "integrity": "sha512-peXne6s798phYkbsf09tJXBT2ahWtc1V12TnvxUkBwVNay8GFwYzd6vgnklV9YNP4YHnHj5av8op4SZd4hJ4Xw==",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ava/-/ava-1.4.0.tgz",
+      "integrity": "sha512-0k0YzgIhRWPibh4guIe1XdmJw985EQ86haALTosN8fRWEUDjWe3h2f7brTYfS7OsvKrHalO2p5AhaMwIFGY5/A==",
       "dev": true,
       "requires": {
         "@ava/babel-preset-stage-4": "^2.0.0",
-        "@ava/babel-preset-transform-test-files": "^4.0.1",
+        "@ava/babel-preset-transform-test-files": "^5.0.0",
         "@ava/write-file-atomic": "^2.2.0",
-        "@babel/core": "^7.3.4",
-        "@babel/generator": "^7.3.4",
+        "@babel/core": "^7.4.0",
+        "@babel/generator": "^7.4.0",
         "@babel/plugin-syntax-async-generators": "^7.2.0",
         "@babel/plugin-syntax-object-rest-spread": "^7.2.0",
         "@babel/plugin-syntax-optional-catch-binding": "^7.2.0",
@@ -1397,7 +1397,7 @@
         "arrify": "^1.0.0",
         "bluebird": "^3.5.3",
         "chalk": "^2.4.2",
-        "chokidar": "^2.1.2",
+        "chokidar": "^2.1.5",
         "chunkd": "^1.0.0",
         "ci-parallel-vars": "^1.0.0",
         "clean-stack": "^2.0.0",
@@ -1416,7 +1416,7 @@
         "empower-core": "^1.2.0",
         "equal-length": "^1.0.0",
         "escape-string-regexp": "^1.0.5",
-        "esm": "^3.2.10",
+        "esm": "^3.2.20",
         "figures": "^2.0.0",
         "find-up": "^3.0.0",
         "get-port": "^4.2.0",
@@ -1451,9 +1451,9 @@
         "require-precompiled": "^0.1.0",
         "resolve-cwd": "^2.0.0",
         "slash": "^2.0.0",
-        "source-map-support": "^0.5.10",
+        "source-map-support": "^0.5.11",
         "stack-utils": "^1.0.2",
-        "strip-ansi": "^5.0.0",
+        "strip-ansi": "^5.2.0",
         "strip-bom-buf": "^1.0.0",
         "supertap": "^1.0.0",
         "supports-color": "^6.1.0",
@@ -1469,6 +1469,26 @@
           "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
+        "chokidar": {
+          "version": "2.1.5",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.5.tgz",
+          "integrity": "sha512-i0TprVWp+Kj4WRPtInjexJ8Q+BqTE909VpH8xVhXrJkoc5QC8VO9TryGOqTr+2hljzc1sC62t22h5tZePodM/A==",
+          "dev": true,
+          "requires": {
+            "anymatch": "^2.0.0",
+            "async-each": "^1.0.1",
+            "braces": "^2.3.2",
+            "fsevents": "^1.2.7",
+            "glob-parent": "^3.1.0",
+            "inherits": "^2.0.3",
+            "is-binary-path": "^1.0.0",
+            "is-glob": "^4.0.0",
+            "normalize-path": "^3.0.0",
+            "path-is-absolute": "^1.0.0",
+            "readdirp": "^2.2.1",
+            "upath": "^1.1.1"
+          }
+        },
         "strip-ansi": {
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
diff --git a/package.json b/package.json
index d7bdfdcc..be2649e4 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "yargs": "^13.2.2"
   },
   "devDependencies": {
-    "ava": "^1.3.1",
+    "ava": "^1.4.0",
     "execa": "^1.0.0",
     "gulp": "^4.0.0",
     "gulp-shared-tasks": "^0.22.3",