diff --git a/pkgs/development/libraries/bullet/default.nix b/pkgs/development/libraries/bullet/default.nix
index 60ca2e9b18b5..167dda7c4c4a 100644
--- a/pkgs/development/libraries/bullet/default.nix
+++ b/pkgs/development/libraries/bullet/default.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "bullet";
-  version = "3.17";
+  version = "3.21";
 
   src = fetchFromGitHub {
     owner = "bulletphysics";
     repo = "bullet3";
     rev = version;
-    sha256 = "sha256-uQ4X8F8nmagbcFh0KexrmnhHIXFSB3A1CCnjPVeHL3Q=";
+    sha256 = "sha256-krzqZ2TPycyWjJzYJ69rb6Qgymlio5HGw2nPCjDZPGk=";
   };
 
   nativeBuildInputs = [ cmake ];