diff --git a/build.sh b/build.sh
index a788bf7b3..975d48106 100755
--- a/build.sh
+++ b/build.sh
@@ -32,5 +32,5 @@ pushd "$ROOT_DIR/python/ray/core"
     cmake -DCMAKE_BUILD_TYPE=Release ../../..
   fi
   make clean
-  make
+  make -j${PARALLEL}
 popd
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 1fc4daca2..04fd71bed 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -37,6 +37,10 @@ add_custom_command(
   COMMENT "Running flatc compiler on ${COMMON_FBS_SRC}"
   VERBATIM)
 
+# Encode the fact that the ray redis module requires the autogenerated
+# flatbuffer files to compile.
+add_dependencies(ray_redis_module gen_common_fbs)
+
 add_dependencies(gen_common_fbs flatbuffers_ep)
 
 add_custom_target(