diff --git a/pkgs/applications/networking/mailreaders/thunderbird/15.x.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
similarity index 97%
rename from pkgs/applications/networking/mailreaders/thunderbird/15.x.nix
rename to pkgs/applications/networking/mailreaders/thunderbird/default.nix
index 0deee99eadf3..1d5bcfa5b9bb 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/15.x.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -12,14 +12,14 @@
   enableOfficialBranding ? false
 }:
 
-let version = "15.0.1"; in
+let version = "16.0.2"; in
 
 stdenv.mkDerivation {
   name = "thunderbird-${version}";
 
   src = fetchurl {
     url = "ftp://ftp.mozilla.org/pub/thunderbird/releases/${version}/source/thunderbird-${version}.source.tar.bz2";
-    sha1 = "688bed2b48abda000b489f3c84de0ba9f93818f0";
+    sha1 = "842d852b31a388d4cf3ac59bc89e8611474e2ec7";
   };
 
   enableParallelBuilding = true;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 905b7b0ae401..9cc10a68968a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7776,7 +7776,7 @@ let
 
   thinkingRock = callPackage ../applications/misc/thinking-rock { };
 
-  thunderbird = callPackage ../applications/networking/mailreaders/thunderbird/15.x.nix {
+  thunderbird = callPackage ../applications/networking/mailreaders/thunderbird {
     inherit (gnome) libIDL;
   };