diff --git a/BUILD.bazel b/BUILD.bazel
index 0f171ef..280d451 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -1,4 +1,5 @@
 load("@com_google_protobuf//bazel:cc_proto_library.bzl", "cc_proto_library")
+load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library")
 
 package(default_visibility = ["//visibility:public"])
 
diff --git a/src/main/cpp/BUILD.bazel b/src/main/cpp/BUILD.bazel
index 890bcd0..f41fb79 100644
--- a/src/main/cpp/BUILD.bazel
+++ b/src/main/cpp/BUILD.bazel
@@ -1,3 +1,6 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+load("@rules_cc//cc:cc_test.bzl", "cc_test")
+
 cc_library(
     name = "cpp",
     srcs = [
diff --git a/src/securemessage/BUILD.bazel b/src/securemessage/BUILD.bazel
index 8a79060..eec739e 100644
--- a/src/securemessage/BUILD.bazel
+++ b/src/securemessage/BUILD.bazel
@@ -1,3 +1,6 @@
+load("@rules_cc//cc:cc_library.bzl", "cc_library")
+load("@rules_cc//cc:cc_test.bzl", "cc_test")
+
 cc_library(
     name = "securemessage_openssl",
     srcs = [