diff --git a/taskcluster/scripts/requirements.in b/taskcluster/scripts/requirements.in
index b4ea891d66e..8e8ae60da24 100644
--- a/taskcluster/scripts/requirements.in
+++ b/taskcluster/scripts/requirements.in
@@ -1,3 +1,3 @@
 multidict >= 5.0.0 
 yarl>=1.6.0
-taskcluster==65.2.0
+taskcluster==66.0.0
diff --git a/taskcluster/scripts/requirements.txt b/taskcluster/scripts/requirements.txt
index 172ac0b813b..8dced8b41fd 100644
--- a/taskcluster/scripts/requirements.txt
+++ b/taskcluster/scripts/requirements.txt
@@ -362,9 +362,9 @@ slugid==2.0.0 \
     --hash=sha256:a950d98b72691178bdd4d6c52743c4a2aa039207cf7a97d71060a111ff9ba297 \
     --hash=sha256:aec8b0e01c4ad32e38e12d609eab3ec912fd129aaf6b2ded0199b56a5f8fd67c
     # via taskcluster
-taskcluster==65.2.0 \
-    --hash=sha256:65e3cefc7aff1745a0c4205e7e796a8c000c7cb454f1df04bf258f4355aca741 \
-    --hash=sha256:bf206b5d7aede0863d366bf70dcee1792e3b664f6b77d3bf91c0c0fe296f3bf0
+taskcluster==66.0.0 \
+    --hash=sha256:6bf3cfa52c88faa532ddbf0b8033625aeea59f14e74f6157a94b417a22c8ac07 \
+    --hash=sha256:828fcd7fd42994caba85ce2c823f80429e197a53216b41c0aa6acf3c948ca818
     # via -r scripts/requirements.in
 taskcluster-urls==13.0.1 \
     --hash=sha256:5e25e7e6818e8877178b175ff43d2e6548afad72694aa125f404a7329ece0973 \