diff --git a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
index 885111c9af86..afa4f1ce54f2 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/packages.nix
@@ -86,8 +86,8 @@ rec {
   thunderbird = thunderbird-latest;
 
   thunderbird-latest = common {
-    version = "145.0";
-    sha512 = "f33835e4d740b32d072ac915124d988ef9d4cbe55d7c972c817991d19b64e8bc95b75b503ad3cb9abf4fd1d220fc7cb61720ea84dc49482faa13da1690d7d80e";
+    version = "146.0.1";
+    sha512 = "8a3b2de246c7c597574fce596836c7ef7b24bd21573feb15c308003f34b82335ad865aa0f81b24d1669c8023c0448c0e273a63019aab13356b023c2e8adc2c47";
 
     updateScript = callPackage ./update.nix {
       attrPath = "thunderbirdPackages.thunderbird-latest";