diff --git a/src/apps.json b/src/apps.json
index 24326e933..50d82aaa2 100755
--- a/src/apps.json
+++ b/src/apps.json
@@ -10653,7 +10653,7 @@
 		},
 		"13": {
 			"name": "Issue Trackers",
-			"priority": "9"
+			"priority": "2"
 		},
 		"14": {
 			"name": "Video Players",
diff --git a/src/drivers/npm/package.json b/src/drivers/npm/package.json
index 9f9e36f00..e588c0b14 100644
--- a/src/drivers/npm/package.json
+++ b/src/drivers/npm/package.json
@@ -2,7 +2,7 @@
   "name": "wappalyzer",
   "description": "Uncovers the technologies used on websites",
   "homepage": "https://github.com/AliasIO/Wappalyzer",
-  "version": "5.1.0",
+  "version": "5.1.1",
   "author": "Elbert Alias",
   "license": "GPL-3.0",
   "repository": {
diff --git a/src/drivers/webextension/js/iframe.js b/src/drivers/webextension/js/iframe.js
index 0dd339d58..af4d823a6 100644
--- a/src/drivers/webextension/js/iframe.js
+++ b/src/drivers/webextension/js/iframe.js
@@ -181,7 +181,7 @@ var exports = {};
 				video_assets: opt_video_assets,
 				assets: opt_assets,
 				version: '3',
-				mrev: '4d79384-d',
+				mrev: '6f3a97b-c',
 				msgNum: this.msgNum,
 				timestamp: new Date().getTime(),
 				pageVis: document.visibilityState,
@@ -890,7 +890,7 @@ var exports = {};
 	var _pageTags;
 	var INIT_MS_BW_SEARCHES = 2000;
 	var PAGE_TAG_RE = new RegExp('gpt|oascentral');
-	var POST_MSG_ID = '1503096304-372-12333-31563-11152';
+	var POST_MSG_ID = '1503946945-8336-24876-10613-9147';
 	var AD_SERVER_RE = new RegExp('^(google_ads_iframe|oas_frame|atwAdFrame)');
 
 	function getPageTags(doc) {
diff --git a/src/drivers/webextension/js/network.js b/src/drivers/webextension/js/network.js
index d5bc4458c..1ff4dadb5 100644
--- a/src/drivers/webextension/js/network.js
+++ b/src/drivers/webextension/js/network.js
@@ -66,7 +66,7 @@
 		'washingtonpost.com'
 	];
 
-	var robotsTxtAllows = wappalyzer.robotsTxtAllows;
+	var robotsTxtAllows = wappalyzer.robotsTxtAllows.bind(wappalyzer);
 	if ( !String.prototype.endsWith ) {
 		String.prototype.endsWith = function(searchString, position) {
 			var subjectString = this.toString();
diff --git a/src/drivers/webextension/manifest.edge.json b/src/drivers/webextension/manifest.edge.json
index f00a16d05..4d50e5f47 100644
--- a/src/drivers/webextension/manifest.edge.json
+++ b/src/drivers/webextension/manifest.edge.json
@@ -4,7 +4,7 @@
 	"author": "Elbert Alias",
 	"homepage_url": "https://wappalyzer.com/",
 	"description": "Identify web technologies",
-	"version": "5.1.0",
+	"version": "5.1.1",
 	"default_locale": "en",
 	"manifest_version": 2,
 	"icons": {
diff --git a/src/drivers/webextension/manifest.json b/src/drivers/webextension/manifest.json
index 0d0c48123..371a312c6 100644
--- a/src/drivers/webextension/manifest.json
+++ b/src/drivers/webextension/manifest.json
@@ -4,7 +4,7 @@
 	"author": "Elbert Alias",
 	"homepage_url": "https://wappalyzer.com/",
 	"description": "Identify web technologies",
-	"version": "5.1.0",
+	"version": "5.1.1",
 	"default_locale": "en",
 	"manifest_version": 2,
 	"icons": {
diff --git a/src/wappalyzer.js b/src/wappalyzer.js
index 093f1b0bb..02c29d98c 100644
--- a/src/wappalyzer.js
+++ b/src/wappalyzer.js
@@ -270,7 +270,7 @@ class Wappalyzer {
       Object.keys(apps).forEach(appName => {
         var app = apps[appName];
 
-        if ( app && app.implies ) {
+        if ( app && app.props.implies ) {
           this.asArray(app.props.implies).forEach(implied => {
             implied = this.parsePatterns(implied)[0];
 
@@ -281,7 +281,7 @@ class Wappalyzer {
             }
 
             if ( !( implied.string in apps ) ) {
-              apps[implied.string] = this.detected[url] && this.detected[url][implied.string] ? this.detected[url][implied.string] : new Application(implied.string, true);
+              apps[implied.string] = this.detected[url] && this.detected[url][implied.string] ? this.detected[url][implied.string] : new Application(implied.string, this.apps[implied.string], true);
 
               checkImplies = true;
             }