diff --git a/tools/requirements.txt b/tools/requirements.txt
index d88faf1d2..4ba525fb0 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -7,6 +7,6 @@ multidict==6.1.0
 rs_parsepatch==0.4.4
 sentry-sdk==2.19.2
 structlog==24.4.0
-taskcluster==77.0.0
+taskcluster==77.3.1
 treeherder-client==5.0.0
 yarl==1.18.3