diff --git a/network/web/firefox/actions.py b/network/web/firefox/actions.py
index 83446f0f6d..0eca015021 100755
--- a/network/web/firefox/actions.py
+++ b/network/web/firefox/actions.py
@@ -17,7 +17,7 @@ arch = get.ARCH()
 ver = ".".join(get.srcVERSION().split(".")[:3])
 
 shelltools.export("SHELL", "/bin/sh")
-#shelltools.export("MOZBUILD_STATE_PATH", "/mozbuild")
+shelltools.export("MACH_USE_SYSTEM_PYTHON", "1")
 
 def setup():
     # Google API key
diff --git a/network/web/firefox/pspec.xml b/network/web/firefox/pspec.xml
index c73ef9803d..ca2e329b37 100644
--- a/network/web/firefox/pspec.xml
+++ b/network/web/firefox/pspec.xml
@@ -15,7 +15,7 @@
         <IsA>app:gui</IsA>
         <Summary>Firefox Web Browser</Summary>
         <Description>It is more secure and faster to browse the web with Firefox web browser. You can personalize your web browser with many specifications that is not enough to explain in two sentences.</Description>
-        <Archive sha1sum="5c848661846b2f7902c893468022ef6e55ce769c" type="tarxz">https://ftp.mozilla.org/pub/firefox/releases/80.0.1/source/firefox-80.0.1.source.tar.xz</Archive>
+        <Archive sha1sum="f8818767277e43fb1521fde82d67d954e5eb4fb0" type="tarxz">https://ftp.mozilla.org/pub/firefox/releases/81.0/source/firefox-81.0.source.tar.xz</Archive>
         <AdditionalFiles>
             <!--Our main configure script. Configure paramters are stored here.-->
             <AdditionalFile target=".mozconfig" permission="0644">mozconfig</AdditionalFile>
@@ -550,6 +550,13 @@
     </Package>
 
     <History>
+        <Update release="45">
+            <Date>2020-09-21</Date>
+            <Version>81.0</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="44">
             <Date>2020-09-01</Date>
             <Version>80.0.1</Version>