diff --git a/pyproject.toml b/pyproject.toml
index 58f477d..c5e02ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,7 @@ dynamic = [
 dependencies = [
   "dynamic-imports<2",
   "marko<3",
-  "myst-parser[linkify]>=0.18,<4",
+  "myst-parser[linkify]>=0.18,<5",
   "pueblo[cli]==0.0.9",
   "pyyaml<7",
   "requests<3",