diff --git a/pyproject.toml b/pyproject.toml
index 909e4e5..8405ede 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "libgravatar==1.0.4",
     "matplotlib>=3.10.1",
     "myst-parser[linkify]==4.0.1",
-    "shibuya==2025.2.28",
+    "shibuya==2025.9.25",
     "sphinx==7.2.6",
     "sphinx-copybutton==0.5.2",
     "sphinx-design==0.5.0",