diff --git a/setup.cfg b/setup.cfg
index ce35630..a1ce113 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -16,7 +16,7 @@ packages = find:
 python_requires = >=3.10
 install_requires =
     libcst>=1.0.1,<2
-    mistletoe>=1.2.1,<2
+    mistletoe>=1.5.0,<2
     importlib-resources>=6.0.1,<7
     tomli>=2.0.1,<3
     rich>=13.5.2,<14