diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index 580cd1bd73f5..cbd29a095d45 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -1,13 +1,13 @@
 { stdenv, cmake, fetchurl, pkgconfig, jansson, zlib }:
 
 let
-  version = "1.8.2";
+  version = "1.9.0";
 in stdenv.mkDerivation rec {
   name = "avro-c-${version}";
 
   src = fetchurl {
     url = "mirror://apache/avro/avro-${version}/c/avro-c-${version}.tar.gz";
-    sha256 = "03pixl345kkpn1jds03rpdcwjabi41rgdzi8f7y93gcg5cmrhfa6";
+    sha256 = "1ch8z9jpkjxjx2zh28z0946gz3vwj1jnkrzg4vwvfa287128cml0";
   };
 
   postPatch = ''