diff --git a/pyproject.toml b/pyproject.toml
index a20030d..fa1eb89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
 ]
 requires-python = ">=3.10"
 dependencies = [
-    "automata-lib==9.0.0",
+    "automata-lib==9.1.2",
 ]
 
 [project.urls]