diff --git a/.eslintrc b/.eslintrc
index 8a666d9..d86f4d7 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -12,6 +12,7 @@
 		"eqeqeq": [2, "allow-null"],
 		"id-length": [2, { "min": 1, "max": 23 }],
 		"max-depth": [2, 5],
+		"max-lines-per-function": [2, { "max": 250 }],
 		"max-statements": [1, 10],
 		"max-statements-per-line": [2, { "max": 2 }],
 		"new-cap": [2, { "capIsNewExceptions": ["BigInt"] }],
diff --git a/package.json b/package.json
index 617bbe9..9dc3092 100644
--- a/package.json
+++ b/package.json
@@ -49,18 +49,18 @@
 		"object.entries": "^1.0.4"
 	},
 	"devDependencies": {
-		"@ljharb/eslint-config": "^12.2.1",
+		"@ljharb/eslint-config": "^13.0.0",
 		"core-js": "^2.5.7",
 		"covert": "^1.1.0",
 		"es6-shim": "^0.35.3",
-		"eslint": "^4.19.1",
+		"eslint": "^5.6.0",
 		"foreach": "^2.0.5",
 		"has-symbols": "^1.0.0",
 		"make-arrow-function": "^1.1.0",
 		"make-generator-function": "^1.1.0",
 		"nsp": "^3.2.1",
 		"replace": "^1.0.0",
-		"semver": "^5.5.0",
+		"semver": "^5.5.1",
 		"tape": "^4.9.1"
 	},
 	"testling": {
diff --git a/test/.eslintrc b/test/.eslintrc
index 6d2678b..1ed43de 100644
--- a/test/.eslintrc
+++ b/test/.eslintrc
@@ -4,6 +4,7 @@
 		"array-element-newline": 0,
 		"func-name-matching": 0,
 		"max-lines": 0,
+		"max-lines-per-function": 0,
 		"max-nested-callbacks": [2, 3],
 		"max-statements-per-line": [2, { "max": 2 }],
 		"max-statements": [1, 25],