diff --git a/tools/requirements.txt b/tools/requirements.txt
index bbddf1124..f82f2ebef 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -3,4 +3,4 @@ async-timeout==3.0.1
 logbook==1.5.3
 raven==6.10.0
 structlog==20.1.0
-taskcluster==26.0.1
+taskcluster==28.0.0