diff --git a/pkgs/development/python-modules/arrow/default.nix b/pkgs/development/python-modules/arrow/default.nix
index c09610c3be1f..ff626a5b4813 100644
--- a/pkgs/development/python-modules/arrow/default.nix
+++ b/pkgs/development/python-modules/arrow/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "arrow";
-  version = "1.2.2";
+  version = "1.2.3";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-Bcrx/T2aEaETWytvCYh0IRU7lFWOXvTQkLVntHFzrCs=";
+    sha256 = "sha256-OTSzDKG58pI3bZ2xWxlEYIjRLsWGKbw/DaKP1V+2M6E=";
   };
 
   postPatch = ''