diff --git a/pyproject.toml b/pyproject.toml
index c31733ec7ee2d8be4012a8d1d50bdba7f088bcee..0270a55bfa6cf7d2787a08d0c7f52658b2664d4e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ requests = "^2"
 [tool.poetry.dev-dependencies]
 Sphinx = "^4.5.0"
 coverage = "^6.3.2 || ^7.0.0"
-myst-parser = "^0.17.0"
+myst-parser = "^0.17.0 || ^0.19.0"
 sphinx-rtd-theme = "^1.0.0"
 
 [build-system]