diff --git a/pkgs/development/interpreters/cyber/default.nix b/pkgs/development/interpreters/cyber/default.nix
index 4d756b152d44..52845f844a87 100644
--- a/pkgs/development/interpreters/cyber/default.nix
+++ b/pkgs/development/interpreters/cyber/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cyber";
-  version = "unstable-2023-08-24";
+  version = "unstable-2023-09-01";
 
   src = fetchFromGitHub {
     owner = "fubark";
     repo = "cyber";
-    rev = "be76bc13590285cffa502c3c97470a80ff1f27bd";
-    hash = "sha256-DhGp+vHz+FfF9ZGopQshF2t0Q4/yeN7CEpIlPliPBgQ=";
+    rev = "1dae891be5ca1e64ad8ab9d60be0b30e1ef28439";
+    hash = "sha256-5GCIdk6XCJIXZLFsNMzo15Qhtj7zd/DOcARe8GXF2lc=";
   };
 
   nativeBuildInputs = [