diff --git a/infra/spawn_pipeline_requirements.txt b/infra/spawn_pipeline_requirements.txt
index b4e3681a7b..69068f9f61 100644
--- a/infra/spawn_pipeline_requirements.txt
+++ b/infra/spawn_pipeline_requirements.txt
@@ -1,4 +1,4 @@
 json-e==4.8.0
 pyyaml==6.0.2
 requests==2.32.3
-taskcluster==75.0.1
+taskcluster==77.0.0
diff --git a/requirements.txt b/requirements.txt
index 17d06d4b78..36ead663ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ scipy==1.14.1
 sendgrid==6.11.0
 shap[plots]==0.46.0
 tabulate==0.9.0
-taskcluster==75.0.1
+taskcluster==77.0.0
 tenacity==8.5.0
 tqdm==4.67.1
 unidiff==0.7.5