diff --git a/pkgs/applications/science/biology/star/default.nix b/pkgs/applications/science/biology/star/default.nix
index f32dca86bdf5..8cd23fe06edb 100644
--- a/pkgs/applications/science/biology/star/default.nix
+++ b/pkgs/applications/science/biology/star/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "star";
-  version = "2.7.1a";
+  version = "2.7.2b";
 
   src = fetchFromGitHub {
     repo = "STAR";
     owner = "alexdobin";
     rev = version;
-    sha256 = "0n6g4s4hgw7qygs1z97j7a2dgz8gfaa4cv5pjvvvmarvk0x07hyg";
+    sha256 = "1fb63n3jm1l8k60wdjbq9asv4l1kf7algxxs1aqzvvidx3a8fvzq";
   };
 
   sourceRoot = "source/source";