diff --git a/pkgs/applications/misc/zettlr/default.nix b/pkgs/applications/misc/zettlr/default.nix
index 7ac5133d11b9..e84b1a93af97 100644
--- a/pkgs/applications/misc/zettlr/default.nix
+++ b/pkgs/applications/misc/zettlr/default.nix
@@ -2,7 +2,7 @@
 
 builtins.mapAttrs (pname: attrs: callPackage ./generic.nix (attrs // { inherit pname; })) {
   zettlr = {
-    version = "3.2.0";
-    hash = "sha256-gttDGWFJ/VmOyqgOSKnCqqPtNTKJd1fmDpa0ZAX3xc8=";
+    version = "3.4.3";
+    hash = "sha256-Xb9zszbkHWAaIcu74EGQH0PVbuXIZXH/dja1F1Hkx1c=";
   };
 }