diff --git a/package.json b/package.json
index 59ca148b..0660b082 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "resolve": "^1.1.7"
   },
   "devDependencies": {
-    "ava": "^1.0.1",
+    "ava": "^3.0.0",
     "eslint": "^5.0.0",
     "eslint-config-i-am-meticulous": "^11.0.0",
     "eslint-plugin-import": "^2.17.1",
diff --git a/test/custom-load.js b/test/custom-load.js
index 9ecd1878..eb306d3b 100644
--- a/test/custom-load.js
+++ b/test/custom-load.js
@@ -1,8 +1,8 @@
 // external tooling
-import test from "ava"
+const test = require("ava")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test.serial("should accept content", checkFixture, "custom-load", {
   load: () => "custom-content {}",
diff --git a/test/custom-resolve.js b/test/custom-resolve.js
index 2ab3e88a..e3aafb32 100644
--- a/test/custom-resolve.js
+++ b/test/custom-resolve.js
@@ -1,15 +1,15 @@
 // builtin tooling
-import path from "path"
+const path = require("path")
 
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test.serial("should accept file", checkFixture, "custom-resolve-file", {
   resolve: () => path.resolve("test/fixtures/imports/custom-resolve-1.css"),
diff --git a/test/custom-syntax-parser.js b/test/custom-syntax-parser.js
index 975ebc88..a9b66c15 100644
--- a/test/custom-syntax-parser.js
+++ b/test/custom-syntax-parser.js
@@ -1,10 +1,10 @@
 // external tooling
-import test from "ava"
-import scss from "postcss-scss"
-import sugarss from "sugarss"
+const test = require("ava")
+const scss = require("postcss-scss")
+const sugarss = require("sugarss")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test("should process custom syntax", checkFixture, "scss-syntax", null, {
   syntax: scss,
diff --git a/test/filter.js b/test/filter.js
index 3b07a3a0..724be5e3 100644
--- a/test/filter.js
+++ b/test/filter.js
@@ -1,8 +1,8 @@
 // external tooling
-import test from "ava"
+const test = require("ava")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test("should filter all imported stylesheets", checkFixture, "filter-all", {
   filter: () => false,
diff --git a/test/import-events.js b/test/import-events.js
index d5486cff..00a0489c 100644
--- a/test/import-events.js
+++ b/test/import-events.js
@@ -1,13 +1,13 @@
 // builtin tooling
-import { readFileSync } from "fs"
-import { resolve } from "path"
+const { readFileSync } = require("fs")
+const { resolve } = require("path")
 
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 test("should add dependency message for each import", t => {
   return postcss()
diff --git a/test/import.js b/test/import.js
index 56c6250c..76e9053a 100644
--- a/test/import.js
+++ b/test/import.js
@@ -1,16 +1,16 @@
 // builtin tooling
-import { readFileSync } from "fs"
-import path from "path"
+const { readFileSync } = require("fs")
+const path = require("path")
 
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test("should import stylsheets", checkFixture, "simple")
 
diff --git a/test/lint.js b/test/lint.js
index 66c102e5..c6efdce3 100644
--- a/test/lint.js
+++ b/test/lint.js
@@ -1,9 +1,9 @@
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 const processor = postcss().use(atImport())
 
diff --git a/test/media.js b/test/media.js
index 78161990..99781fe4 100644
--- a/test/media.js
+++ b/test/media.js
@@ -1,8 +1,8 @@
 // external tooling
-import test from "ava"
+const test = require("ava")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test(
   "should resolve media queries of import statements",
diff --git a/test/order.js b/test/order.js
index 5d690976..d6e405b1 100644
--- a/test/order.js
+++ b/test/order.js
@@ -1,8 +1,8 @@
 // external tooling
-import test from "ava"
+const test = require("ava")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test(`should order nested imports correctly`, t => {
   let first = true
diff --git a/test/plugins.js b/test/plugins.js
index f5664cb0..c8b63b43 100644
--- a/test/plugins.js
+++ b/test/plugins.js
@@ -1,12 +1,12 @@
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test("should apply plugins to root", t => {
   const atRules = []
diff --git a/test/resolve.js b/test/resolve.js
index 5cf72ddc..36475414 100644
--- a/test/resolve.js
+++ b/test/resolve.js
@@ -1,8 +1,8 @@
 // external tooling
-import test from "ava"
+const test = require("ava")
 
 // internal tooling
-import checkFixture from "./helpers/check-fixture"
+const checkFixture = require("./helpers/check-fixture")
 
 test("should resolve relative to cwd", checkFixture, "resolve-cwd", {
   path: null,
diff --git a/test/syntax-error.js b/test/syntax-error.js
index 18d6bfb1..feba2c0a 100644
--- a/test/syntax-error.js
+++ b/test/syntax-error.js
@@ -1,12 +1,12 @@
 // builtin tooling
-import fs from "fs"
+const fs = require("fs")
 
 // external tooling
-import test from "ava"
-import postcss from "postcss"
+const test = require("ava")
+const postcss = require("postcss")
 
 // plugin
-import atImport from ".."
+const atImport = require("..")
 
 test("SyntaxError in imported file throws", t => {
   return postcss(atImport({ path: "test/fixtures/imports" }))