diff --git a/src/BUILD b/src/BUILD
index 9a8fa0c1..4831949 100644
--- a/src/BUILD
+++ b/src/BUILD
@@ -127,7 +127,10 @@
                "//third_party/ijar:embedded_zipper_sources",
                "//third_party/ijar:zipper",
                "//third_party/java/j2objc:embedded_tools_srcs",
+               "//third_party/py/abseil:srcs",
                "//third_party/py/concurrent:srcs",
+               # TODO(laszlocsomor): delete "//third_party/py/gflags:srcs" after
+               # every script in @bazel_tools was migrated to use Abseil.
                "//third_party/py/gflags:srcs",
                "//third_party/py/six:srcs",
                "//src/conditions:embedded_tools",