diff --git a/dev-requirements.txt b/dev-requirements.txt
index bea0fde..f12423a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -27,7 +27,7 @@ Sphinx>=4.3.0,<6.2.0
 furo==2022.12.7
 
 # Lets Sphinx parse markdown files in addition to rst.
-myst-parser>=0.15.2,<0.19.0
+myst-parser>=0.15.2,<2.1.0
 
 # Adds a copy button to code examples in the docs.
 sphinx-copybutton==0.5.1