diff --git a/package.json b/package.json
index 3e3e705..15bb52b 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@babel/polyfill": "7.10.1",
     "@babel/preset-env": "7.10.1",
     "@babel/register": "7.10.1",
-    "ava": "3.8.1",
+    "ava": "3.8.2",
     "coveralls": "3.1.0",
     "esdoc": "1.1.0",
     "esdoc-inject-script-plugin": "1.0.0",
diff --git a/yarn.lock b/yarn.lock
index efa21d3..1dd1d77 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1432,10 +1432,10 @@ atob@^2.1.2:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-ava@3.8.1:
-  version "3.8.1"
-  resolved "https://registry.yarnpkg.com/ava/-/ava-3.8.1.tgz#ec50814f8e6c769b8ed0dcc64bca990cd06bb2d1"
-  integrity sha512-OPWrTxcf1EbtAaGGFQPLbx4AaVqPrFMumKOKn2SzIRo+RTKb33lF2aoVnWqBeZaJ68uSc9R6jqIE7qkG6O33uQ==
+ava@3.8.2:
+  version "3.8.2"
+  resolved "https://registry.yarnpkg.com/ava/-/ava-3.8.2.tgz#877c9eb861763a185bbabd54f359e1fbe57d1754"
+  integrity sha512-sph3oUsVTGsq4qbgeWys03QKCmXjkZUO3oPnFWXEW6g1SReCY9vuONGghMgw1G6VOzkg1k+niqJsOzwfO8h9Ng==
   dependencies:
     "@concordance/react" "^2.0.0"
     acorn "^7.1.1"
@@ -1468,7 +1468,7 @@ ava@3.8.1:
     indent-string "^4.0.0"
     is-error "^2.2.2"
     is-plain-object "^3.0.0"
-    is-promise "^3.0.0"
+    is-promise "^4.0.0"
     lodash "^4.17.15"
     matcher "^3.0.0"
     md5-hex "^3.0.1"
@@ -1479,12 +1479,12 @@ ava@3.8.1:
     picomatch "^2.2.2"
     pkg-conf "^3.1.0"
     plur "^4.0.0"
-    pretty-ms "^6.0.1"
+    pretty-ms "^7.0.0"
     read-pkg "^5.2.0"
     resolve-cwd "^3.0.0"
     slash "^3.0.0"
     source-map-support "^0.5.19"
-    stack-utils "^2.0.1"
+    stack-utils "^2.0.2"
     strip-ansi "^6.0.0"
     supertap "^1.0.0"
     temp-dir "^2.0.0"
@@ -3656,10 +3656,10 @@ is-promise@^2.1.0:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
   integrity sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=
 
-is-promise@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-3.0.0.tgz#1f88031af842d9203dc1777cba40411e848f9beb"
-  integrity sha512-aTHJ4BvETyySzLhguH+7sL4b8765eecqq7ZrHVuhZr3FjCL/IV+LsvisEeH+9d0AkChYny3ad1KEL+mKy4ot7A==
+is-promise@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-4.0.0.tgz#42ff9f84206c1991d26debf520dd5c01042dd2f3"
+  integrity sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ==
 
 is-scoped@^2.1.0:
   version "2.1.0"
@@ -5061,10 +5061,10 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-pretty-ms@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/pretty-ms/-/pretty-ms-6.0.1.tgz#03ec6cfee20329f142645e63efad96bb775d3da4"
-  integrity sha512-ke4njoVmlotekHlHyCZ3wI/c5AMT8peuHs8rKJqekj/oR5G8lND2dVpicFlUz5cbZgE290vvkMuDwfj/OcW1kw==
+pretty-ms@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pretty-ms/-/pretty-ms-7.0.0.tgz#45781273110caf35f55cab21a8a9bd403a233dc0"
+  integrity sha512-J3aPWiC5e9ZeZFuSeBraGxSkGMOvulSWsxDByOcbD1Pr75YL3LSNIKIb52WXbCLE1sS5s4inBBbryjF4Y05Ceg==
   dependencies:
     parse-ms "^2.1.0"
 
@@ -5712,10 +5712,10 @@ sshpk@^1.7.0:
     safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
-stack-utils@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-2.0.1.tgz#3df48345a3b92adc06038f0e95782df61beff742"
-  integrity sha512-BvBTnHGm8boe+HiJFqP19ywEsGlfQAKqW78pbfvUuzCbUuxPPUyLrH5dYFY+Xn9IpLY3b5ZmMcl8jAqXB4wddg==
+stack-utils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-2.0.2.tgz#5cf48b4557becb4638d0bc4f21d23f5d19586593"
+  integrity sha512-0H7QK2ECz3fyZMzQ8rH0j2ykpfbnd20BFtfg/SqVC2+sCTtcw0aDTGB7dk+de4U4uUeuz6nOtJcrkFFLG1B0Rg==
   dependencies:
     escape-string-regexp "^2.0.0"