diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index 74e19f83..ef92aa45 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -47,6 +47,11 @@ def api_dependencies():
         name = "opentelemetry_proto",
         build_file_content = OPENTELEMETRY_LOGS_BUILD_CONTENT,
     )
+    external_http_archive(
+        name = "com_github_bufbuild_buf",
+        build_file_content = BUF_BUILD_CONTENT,
+        tags = ["manual"],
+    )
 
 PROMETHEUSMETRICS_BUILD_CONTENT = """
 load("@envoy_api//bazel:api_build_system.bzl", "api_cc_py_proto_library")
@@ -150,3 +155,17 @@ go_proto_library(
     visibility = ["//visibility:public"],
 )
 """
+
+BUF_BUILD_CONTENT = """
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "buf",
+    srcs = [
+        "@com_github_bufbuild_buf//:bin/buf",
+    ],
+    tags = ["manual"], # buf is downloaded as a linux binary; tagged manual to prevent build for non-linux users
+)
+"""
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index bb35ff77..49d7997f 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -118,4 +118,16 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         urls = ["https://github.com/open-telemetry/opentelemetry-proto/archive/v{version}.tar.gz"],
         use_category = ["api"],
     ),
+    com_github_bufbuild_buf = dict(
+        project_name = "buf",
+        project_desc = "A new way of working with Protocol Buffers.",  # Used for breaking change detection in API protobufs
+        project_url = "https://buf.build",
+        version = "0.48.2",
+        sha256 = "ee0ea6c4a7bbb016d79b056905c0a1f018e7c5e47b37038c993a77b1bc732c0d",
+        strip_prefix = "buf",
+        urls = ["https://github.com/bufbuild/buf/releases/download/v{version}/buf-Linux-x86_64.tar.gz"],
+        release_date = "2021-07-30",
+        use_category = ["api"],
+        tags = ["manual"],
+    ),
 )