diff --git a/sidecars/mitmproxy/requirements-build.txt b/sidecars/mitmproxy/requirements-build.txt
index 9b192b0..9489d0e 100644
--- a/sidecars/mitmproxy/requirements-build.txt
+++ b/sidecars/mitmproxy/requirements-build.txt
@@ -1,2 +1,2 @@
 -r requirements.txt
-pyinstaller==6.21.0
+pyinstaller==6.22.0