diff --git a/pkgs/gazebo/default.nix b/pkgs/gazebo/default.nix
index 7736c0417c..69ce123257 100644
--- a/pkgs/gazebo/default.nix
+++ b/pkgs/gazebo/default.nix
@@ -7,8 +7,8 @@
 , ignition-fuel-tools ? ignition.fuel-tools4
 
 , bullet, withBulletEngineSupport ? false
-, version ? "11.5.1"
-, srcSha256 ? "0g9hna359r27j1wnncpyfvzrsjh6azki63cpa2kv1m3q4akpicy7"
+, version ? "11.9.0"
+, srcSha256 ? "0bhzp28kcif5qhbx8wdhvj7rdkcmiy4b8l50p8ss8858g3kwbpsp"
 , ... }: with lib;
 
 mkDerivation rec {
@@ -31,11 +31,6 @@ mkDerivation rec {
     lib.optional (lib.versionOlder version "11.3.0") (fetchpatch {
       url = "https://github.com/osrf/gazebo/commit/25d3381c083a9eeafcee34ef648339a83e192676.patch";
       sha256 = "1qixrz2jiqdc37mgcsnv562m7mzr6w0rd67fmkr5710n6dnky4y7";
-    }) ++
-    # Fix pkgconfig prefix path
-    lib.optional (lib.versionAtLeast version "11.4.0") (fetchpatch {
-      url = "https://github.com/osrf/gazebo/commit/a7e6e1c1de46c3eb7eecab0de1263f7360ef9f42.patch";
-      sha256 = "09y5ggx74mc70np7x1cj8p936jqkx4f6nvly0qscsjrv7x6gsb6j";
     });
 
   enableParallelBuilding = true;