diff --git a/pyproject.toml b/pyproject.toml
index 47c88e51c53554af80a54ca588cd7983041e12fa..722d0d2e9b6bdc2f5869d47cc8b12d93d9ae8596 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ cryptography = ">=1.8.2"
 requests = "^2"
 
 [tool.poetry.dev-dependencies]
-Sphinx = "^4.5.0"
+Sphinx = "^7.0.0"
 coverage = "^6.3.2"
 myst-parser = "^0.17.0"
 sphinx-rtd-theme = "^1.0.0"