diff --git a/pkgs/default.nix b/pkgs/default.nix
index e5f265d511..098dd2eadb 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -98,7 +98,7 @@ in {
   python38 = pythonOverridesFor super.python38;
 
   qwt6 = super.qwt6.overrideAttrs ({ postInstall ? "", ... }: {
-    # Some packages expect headers to be in subdirectory
+    # Gazebo 9 expects headers to be in subdirectory
     postInstall = postInstall + ''
       ln -s "$out/include" "$out/include/qwt"
     '';
diff --git a/pkgs/gazebo/default.nix b/pkgs/gazebo/default.nix
index e2c7f2aba6..502c2c799a 100644
--- a/pkgs/gazebo/default.nix
+++ b/pkgs/gazebo/default.nix
@@ -7,8 +7,8 @@
 , ignition-fuel-tools ? ignition.fuel-tools
 
 , bullet, withBulletEngineSupport ? false
-, version ? "11.2.0"
-, srcSha256 ? "1wvw7744fyagkr4jnr3klkca88pqm6njsa5fx6m52d4x7rbi3jh5"
+, version ? "11.3.0"
+, srcSha256 ? "1x4200vjxvlkns0knq1k8ms5lqlvpnz5qqx2gb2mc4l4l532jih9"
 , ... }: with lib;
 
 mkDerivation rec {