diff --git a/packaging/requirements-build.txt b/packaging/requirements-build.txt
index 2f98fd2..0e1281f 100644
--- a/packaging/requirements-build.txt
+++ b/packaging/requirements-build.txt
@@ -4,4 +4,4 @@
 # both together after running scripts/verify-packaging-runtime.py and the
 # packaged Electron smoke test on Windows x64 / CPython 3.12.
 PyInstaller==6.21.0
-pyinstaller-hooks-contrib==2026.6
+pyinstaller-hooks-contrib==2026.8