diff --git a/.taskcluster.yml b/.taskcluster.yml
index 4b0544b5c..182fd5f88 100644
--- a/.taskcluster.yml
+++ b/.taskcluster.yml
@@ -213,7 +213,7 @@ tasks:
                           chainOfTrust: true
                       # Note: This task is built server side without the context or tooling that
                       # exist in tree so we must hard code the hash
-                      image: mozillareleases/taskgraph:decision-v20.0.0@sha256:afae5e5d3caaeb10a93fae56bc3176d1e73faf9b616c01facf811e488db4eafe
+                      image: mozillareleases/taskgraph:decision-v21.0.0@sha256:79091767b31dff55b1d4e89851afe77f387139c4699e008245b14fa08b51c0ff
                       maxRunTime: 1800
 
                       command: