diff --git a/build-ff.js b/build-ff.js
index 582e260..0410e20 100644
--- a/build-ff.js
+++ b/build-ff.js
@@ -119,7 +119,7 @@ const manif = {
           updates: [
             {
               version: manif.version,
-              update_link: `https://git.coom.tech/araragi/JKCS/raw/branch/master/JKCS-${manif.version}.xpi`,
+              update_link: `https://git.coom.tech/araragi/JKCS/raw/branch/master/jkcs-${manif.version}.xpi`,
             },
           ],
         },
diff --git a/firefox/manifest.json b/firefox/manifest.json
index 284c72a..d8e65ca 100644
--- a/firefox/manifest.json
+++ b/firefox/manifest.json
@@ -8,7 +8,7 @@
   },
   "name": "JannySkillersCaptchaSolver",
   "description": "The Janny Skillers Captcha Solver of choice.",
-  "version": "0.19",
+  "version": "0.20",
   "icons": {
     "64": "1449696017588.png"
   },
diff --git a/firefox_update.json b/firefox_update.json
index 09937a9..fcf5b17 100644
--- a/firefox_update.json
+++ b/firefox_update.json
@@ -1 +1 @@
-{"addons":{"{jkcs@coom.tech}":{"updates":[{"version":"0.19","update_link":"https://git.coom.tech/araragi/JKCS/raw/branch/master/JKCS-0.19.xpi"}]}}}
\ No newline at end of file
+{"addons":{"{jkcs@coom.tech}":{"updates":[{"version":"0.20","update_link":"https://git.coom.tech/araragi/JKCS/raw/branch/master/jkcs-0.20.xpi"}]}}}
\ No newline at end of file
diff --git a/jkcs-0.15.xpi b/jkcs-0.15.xpi
deleted file mode 100644
index e18fab5..0000000
Binary files a/jkcs-0.15.xpi and /dev/null differ
diff --git a/jkcs-0.16.xpi b/jkcs-0.16.xpi
deleted file mode 100644
index 7dabfff..0000000
Binary files a/jkcs-0.16.xpi and /dev/null differ
diff --git a/jkcs-0.19.xpi b/jkcs-0.19.xpi
deleted file mode 100644
index 51b5090..0000000
Binary files a/jkcs-0.19.xpi and /dev/null differ
diff --git a/jkcs-0.17.xpi b/jkcs-0.20.xpi
similarity index 99%
rename from jkcs-0.17.xpi
rename to jkcs-0.20.xpi
index 7555df2..45ac8a5 100644
Binary files a/jkcs-0.17.xpi and b/jkcs-0.20.xpi differ