diff --git a/pkgs/development/compilers/lobster/default.nix b/pkgs/development/compilers/lobster/default.nix
index b1dac5a67f1..712dcf12215 100644
--- a/pkgs/development/compilers/lobster/default.nix
+++ b/pkgs/development/compilers/lobster/default.nix
@@ -18,13 +18,13 @@
 
 stdenv.mkDerivation rec {
   pname = "lobster";
-  version = "2023.6";
+  version = "2023.9";
 
   src = fetchFromGitHub {
     owner = "aardappel";
     repo = "lobster";
     rev = "v${version}";
-    sha256 = "sha256-10QucCDHL7Hk3P4NI94J4Kw6L5+8BNd90DKX6LN7D+E=";
+    sha256 = "sha256-30OOdl/BzWJeLhSWuzLAhwELRPcOJIi7FqwL/ztUOUo=";
   };
 
   nativeBuildInputs = [ cmake ];