diff --git a/connections/implementation/proto/BUILD b/connections/implementation/proto/BUILD
index 4dbfbd11..ec6e782b 100644
--- a/connections/implementation/proto/BUILD
+++ b/connections/implementation/proto/BUILD
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 proto_library(
diff --git a/fastpair/proto/BUILD b/fastpair/proto/BUILD
index 7c615738..40cbef88 100644
--- a/fastpair/proto/BUILD
+++ b/fastpair/proto/BUILD
@@ -1,3 +1,5 @@
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 proto_library(
diff --git a/internal/proto/BUILD b/internal/proto/BUILD
index a0dea684..e765eec7 100644
--- a/internal/proto/BUILD
+++ b/internal/proto/BUILD
@@ -1,3 +1,5 @@
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 proto_library(
     name = "credential_proto",
     srcs = ["credential.proto"],
diff --git a/internal/proto/analytics/BUILD b/internal/proto/analytics/BUILD
index 2d2eb4b7..54242e26 100644
--- a/internal/proto/analytics/BUILD
+++ b/internal/proto/analytics/BUILD
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:public"])
diff --git a/proto/BUILD b/proto/BUILD
index a50089b5..8606f593 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -14,6 +14,8 @@
 
 # Proto for Nearby products
 
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:public"])
diff --git a/proto/errorcode/BUILD b/proto/errorcode/BUILD
index d98a7bd3..1ec24aef 100644
--- a/proto/errorcode/BUILD
+++ b/proto/errorcode/BUILD
@@ -14,6 +14,8 @@
 
 # Proto for Nearby products
 
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:public"])
diff --git a/proto/mediums/BUILD b/proto/mediums/BUILD
index 9f917770..7457b04e 100644
--- a/proto/mediums/BUILD
+++ b/proto/mediums/BUILD
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+load("@rules_cc//cc:defs.bzl", "cc_proto_library")
+
 licenses(["notice"])
 
 package(default_visibility = ["//visibility:public"])