diff --git a/tools/requirements.txt b/tools/requirements.txt
index 05cfb8ca0..314bb458d 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -7,6 +7,6 @@ multidict==6.7.1
 rs_parsepatch==0.4.6
 sentry-sdk==2.66.1
 structlog==26.1.0
-taskcluster==103.0.1
+taskcluster==104.0.0
 treeherder-client==5.0.0
 yarl==1.24.5