diff --git a/lib/extension.js b/lib/extension.js
index 3f48d7517..a9b847282 100644
--- a/lib/extension.js
+++ b/lib/extension.js
@@ -64,7 +64,7 @@ function parse (header) {
     if (extensionName === undefined) {
       if (end === -1 && tokenChars[code] === 1) {
         if (start === -1) start = i;
-      } else if (code === 0x20/* ' ' */|| code === 0x09/* '\t' */) {
+      } else if (code === 0x20/* ' ' */ || code === 0x09/* '\t' */) {
         if (end === -1 && start !== -1) end = i;
       } else if (code === 0x3b/* ';' */ || code === 0x2c/* ',' */) {
         if (start === -1) {
@@ -103,7 +103,7 @@ function parse (header) {
         }
 
         start = end = -1;
-      } else if (code === 0x3d/* '=' */&& start !== -1 && end === -1) {
+      } else if (code === 0x3d/* '=' */ && start !== -1 && end === -1) {
         paramName = header.slice(start, i);
         start = end = -1;
       } else {
diff --git a/package.json b/package.json
index 1b9d4b6ab..7cf1061f9 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "benchmark": "~2.1.2",
     "bufferutil": "~4.0.0",
-    "eslint": "~5.6.1",
+    "eslint": "~5.8.0",
     "eslint-config-standard": "~12.0.0",
     "eslint-plugin-import": "~2.14.0",
     "eslint-plugin-node": "~8.0.0",