diff --git a/ProtoLibraries.bp b/ProtoLibraries.bp
index c12f5b4..a0944d4 100644
--- a/ProtoLibraries.bp
+++ b/ProtoLibraries.bp
@@ -100,6 +100,8 @@
         ],
         type: "full",
     },
+    // b/267831518: Pin tradefed and dependencies to Java 11.
+    java_version: "11",
     // Protos have lots of MissingOverride and similar.
     errorprone: {
         enabled: false,