diff --git a/pkgs/by-name/co/cosmic-reader/package.nix b/pkgs/by-name/co/cosmic-reader/package.nix
index 176c9d4973e1..270801aac527 100644
--- a/pkgs/by-name/co/cosmic-reader/package.nix
+++ b/pkgs/by-name/co/cosmic-reader/package.nix
@@ -19,16 +19,16 @@
 }:
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cosmic-reader";
-  version = "0-unstable-2026-05-12";
+  version = "0-unstable-2026-05-20";
 
   src = fetchFromGitHub {
     owner = "pop-os";
     repo = "cosmic-reader";
-    rev = "0dde6aed2c51b16e48d2756ceeb0c92620442418";
-    hash = "sha256-Is6SRWn7BbsT6GRsmPMDxQNzdGxSMXKM3hNVMV2NM7c=";
+    rev = "c29b3e82c0827133b24dcdb43e1f28a1c7df37a1";
+    hash = "sha256-YsRXWSf2l8RfIEXKxvJtYWxhma8N2Y+0/HZwhs7d5k8=";
   };
 
-  cargoHash = "sha256-p0dg5RNXkzbi+/RB5k+jr34RNOp+Irahj0BiFUddfnk=";
+  cargoHash = "sha256-P9ZC7721MjC/h7sbf7x91WGfMbT4tA46HrYhDgCeiWE=";
 
   separateDebugInfo = true;
   __structuredAttrs = true;