diff --git a/pyproject.toml b/pyproject.toml
index 7a2b8e5a..a077371c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,7 @@ docs = [
   "shibuya==2025.3.24",
   "sphinx==8.2.3",
   "sphinx-copybutton==0.5.2",
-  "sphinx-new-tab-link==0.7.0",
+  "sphinx-new-tab-link==0.8.0",
 ]
 tests = [
   "numpy==2.2.4 ; sys_platform == 'linux' and python_version == '3.13'",