diff --git a/pkgs/development/python-modules/Logbook/default.nix b/pkgs/development/python-modules/Logbook/default.nix
index 5b0e10340bd..866c0410929 100644
--- a/pkgs/development/python-modules/Logbook/default.nix
+++ b/pkgs/development/python-modules/Logbook/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "Logbook";
-  version = "1.4.1";
+  version = "1.4.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1nsnz9qdcba85q57qbam6skfvq2k7savn64qdy44cjnh0vkmqdrj";
+    sha256 = "a5a96792abd8172c80d61b7530e134524f20e2841981038031e602ed5920fef5";
   };
 
   checkInputs = [ pytest ] ++ lib.optionals (!isPy3k) [ mock ];