--- pyproject.toml.orig	2025-02-12 10:52:59 UTC
+++ pyproject.toml
@@ -36,10 +36,10 @@ dependencies = [
 dependencies = [
     "docutils>=0.19,<0.22",
     "jinja2", # required for substitutions, but let sphinx choose version
-    "markdown-it-py~=3.0",
+    "markdown-it-py>=3.0,<5",
     "mdit-py-plugins~=0.4,>=0.4.1",
     "pyyaml",
-    "sphinx>=7,<9",
+    "sphinx>=5,<9",
 ]
 
 [project.urls]