diff --git a/taskcluster/ci/static-analysis/kind.yml b/taskcluster/ci/static-analysis/kind.yml
index 5d3020145d0c..59fddd0af753 100644
--- a/taskcluster/ci/static-analysis/kind.yml
+++ b/taskcluster/ci/static-analysis/kind.yml
@@ -20,6 +20,7 @@ job-defaults:
         symbol: S
         kind: build
         tier: 1
+    needs-sccache: true
 
 jobs:
     linux64-st-an/debug:
diff --git a/taskcluster/ci/valgrind/kind.yml b/taskcluster/ci/valgrind/kind.yml
index cd37eb5c1871..10195414fbf6 100644
--- a/taskcluster/ci/valgrind/kind.yml
+++ b/taskcluster/ci/valgrind/kind.yml
@@ -30,6 +30,7 @@ jobs:
             max-run-time: 72000
             env:
                 TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/linux64/releng.manifest"
+        needs-sccache: true
         run:
             using: mozharness
             actions: [get-secrets build valgrind-test]