diff --git a/build/sparse-profiles/webrender b/build/sparse-profiles/webrender
new file mode 100644
index 000000000000..53f180eaa26f
--- /dev/null
+++ b/build/sparse-profiles/webrender
@@ -0,0 +1,7 @@
+%include build/sparse-profiles/mach
+%include build/sparse-profiles/taskgraph
+
+[include]
+path:gfx/wr/
+path:mobile/android/debug_sign_tool.py
+path:taskcluster/scripts/misc/
diff --git a/taskcluster/ci/webrender/kind.yml b/taskcluster/ci/webrender/kind.yml
index a2c56ac561c6..29a6ff4da7d5 100644
--- a/taskcluster/ci/webrender/kind.yml
+++ b/taskcluster/ci/webrender/kind.yml
@@ -24,6 +24,8 @@ job-defaults:
         env:
             RUST_BACKTRACE: 'full'
             RUSTFLAGS: '--deny warnings'
+    run:
+        sparse-profile: webrender
 
 jobs:
     lint-tidy: