diff --git a/pyproject.toml b/pyproject.toml
index 7d7436419..7366b67e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ dependencies = [
     "protobuf<=6.31.1 ; python_version < '3.13'",
     "ortools==9.12.4544; python_version >= '3.13'",
     "sympy==1.14.0",
-    "unicorn==2.1.3",
+    "unicorn==2.1.4",
 ]
 
 [project.optional-dependencies]