diff --git a/pyproject.toml b/pyproject.toml
index f46acb3..0b7a2b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ doc = [
     "sphinx-gallery==0.15.0",
     "sphinx-notfound-page==1.0.0",
     "sphinx-autoapi==3.1.0a2",
-    "pytest-sphinx==0.6.0",
+    "pytest-sphinx==0.6.3",
 ]
 
 tests = [