diff --git a/pyproject.toml b/pyproject.toml
index ab114de4..799e73b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ name = "uncompyle6"
 description = "Python cross-version byte-code library and disassembler"
 dependencies = [
     "click",
-    "spark-parser >= 1.8.9, < 1.9.0",
+    "spark-parser >= 1.8.9, < 1.9.1",
     "xdis >= 6.1.0, < 6.2.0",
 ]
 readme = "README.rst"