diff --git a/pkgs/development/python-modules/fastavro/default.nix b/pkgs/development/python-modules/fastavro/default.nix
index e4d1bca57309..805914b670b8 100644
--- a/pkgs/development/python-modules/fastavro/default.nix
+++ b/pkgs/development/python-modules/fastavro/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "fastavro";
-  version = "1.4.12";
+  version = "1.5.1";
 
   disabled = pythonOlder "3.6";
   src = fetchFromGitHub {
     owner = pname;
     repo = pname;
     rev = "refs/tags/${version}";
-    sha256 = "sha256-t3SM7pTsl3JLWeJSESzXGONyjufwCHMaqK95JI3isYY=";
+    sha256 = "sha256-kI1KRJ4iQP19hYTSRQ6VHZz+Pg5Ar7CaOB7yUJbHm2Q=";
   };
 
   preBuild = ''