diff --git a/pyproject.toml b/pyproject.toml
index ea0a89666..212ae5c66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "importlib_resources>=5.0; python_version < '3.10'",
     "tensorboard>=2.11.0, <2.16.3",
     "bqskit>=1.1.2, <1.2.0",
-    "lark>=0.7, <1.0"
+    "lark>=0.7, <2.0"
 ]
 
 classifiers = [