diff --git a/pkgs/applications/misc/polar-bookshelf/default.nix b/pkgs/applications/misc/polar-bookshelf/default.nix
index e889a8fd8cbd..bcff0db65ab1 100644
--- a/pkgs/applications/misc/polar-bookshelf/default.nix
+++ b/pkgs/applications/misc/polar-bookshelf/default.nix
@@ -10,12 +10,12 @@
 
 stdenv.mkDerivation rec {
   name = "polar-bookshelf-${version}";
-  version = "1.1.1";
+  version = "1.5.1";
 
   # fetching a .deb because there's no easy way to package this Electron app
   src = fetchurl {
     url = "https://github.com/burtonator/polar-bookshelf/releases/download/v${version}/polar-bookshelf-${version}-amd64.deb";
-    sha256 = "0i83vwylszx1ci381izzrmcwbqmknrpny4r3rb0xn3jbz27126zr";
+    sha256 = "1nnbybrzk1ms83490gbw5gakfim0j2c8gp83d9iaqwl4590qgwlg";
   };
 
   buildInputs = [