diff --git a/pkgs/applications/misc/buku/default.nix b/pkgs/applications/misc/buku/default.nix
index 9b8f531e800..459b2159a93 100644
--- a/pkgs/applications/misc/buku/default.nix
+++ b/pkgs/applications/misc/buku/default.nix
@@ -1,14 +1,14 @@
 { stdenv, python3, fetchFromGitHub }:
 
 with python3.pkgs; buildPythonApplication rec {
-  version = "4.4";
+  version = "4.5";
   pname = "buku";
 
   src = fetchFromGitHub {
     owner = "jarun";
     repo = "buku";
     rev = "v${version}";
-    sha256 = "10r5f1n0vcxxmqqqsgmlvibwg1xffijrr2id6r140rgiyhprz556";
+    sha256 = "1lcq5fk8d5j2kfhn9m5l2hk46v7nj4vfa22m1psz35c9zpw4px8q";
   };
 
   checkInputs = [