diff --git a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
index ab4f0041d465..b3c147621977 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
@@ -82,8 +82,7 @@ let
 
 in
 rec {
-  # Upstream claims -latest is "for testing purposes only". Stick to -esr until this changes.
-  thunderbird = thunderbird-esr;
+  thunderbird = thunderbird-latest;
 
   thunderbird-latest = common {
     version = "136.0";