diff --git a/pkgs/development/compilers/lobster/default.nix b/pkgs/development/compilers/lobster/default.nix
index b224a7e66d02..98a3c18386d5 100644
--- a/pkgs/development/compilers/lobster/default.nix
+++ b/pkgs/development/compilers/lobster/default.nix
@@ -19,13 +19,13 @@
 
 stdenv.mkDerivation rec {
   pname = "lobster";
-  version = "2021.3";
+  version = "2023.4";
 
   src = fetchFromGitHub {
     owner = "aardappel";
     repo = "lobster";
     rev = "v${version}";
-    sha256 = "sha256-ENs2Jy2l6fogZdCSaIyfV9wQm57qaZfx5HVHOnQBrRk=";
+    sha256 = "sha256-/TVVdBDVx+3ySqa4MrRHFadLkvVhOY0+lw/yGy/X9W8=";
   };
 
   nativeBuildInputs = [ cmake ];