diff --git a/pkgs/development/compilers/yosys/plugins/synlig.nix b/pkgs/development/compilers/yosys/plugins/synlig.nix
index cc4ce429b311..f6232c1a9dfa 100644
--- a/pkgs/development/compilers/yosys/plugins/synlig.nix
+++ b/pkgs/development/compilers/yosys/plugins/synlig.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation (finalAttrs: {
   plugin = "synlig";
 
   # The module has automatic regular releases, with date + short git hash
-  GIT_VERSION = "2023-10-26-f0252f6";
+  GIT_VERSION = "2023-11-28-b8ed72d";
 
   # Derive our package version from GIT_VERSION, remove hash, just keep date.
   version = builtins.concatStringsSep "-" (
@@ -25,7 +25,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "chipsalliance";
     repo  = "synlig";
     rev   = "${finalAttrs.GIT_VERSION}";
-    hash  = "sha256-BGZQbUcIImpz3SjFvMq3Pr1lseNLZnsMvpHy0IsICe4=";
+    hash  = "sha256-jdA3PBodecqriGWU/BzWtQ5gyu62pZHv+1NvFrwsTTk=";
     fetchSubmodules = false;  # we use all dependencies from nix
   };