diff --git a/pubsub-open-telemetry/WORKSPACE.bazel b/pubsub-open-telemetry/WORKSPACE.bazel
index a90983f..73c4581 100644
--- a/pubsub-open-telemetry/WORKSPACE.bazel
+++ b/pubsub-open-telemetry/WORKSPACE.bazel
@@ -19,9 +19,9 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "google_cloud_cpp",
-    sha256 = "758e1eca8186b962516c0659b34ce1768ba1c9769cfd998c5bbffb084ad901ff",
-    strip_prefix = "google-cloud-cpp-2.29.0",
-    url = "https://github.com/googleapis/google-cloud-cpp/archive/v2.29.0.tar.gz",
+    sha256 = "170650b11ece54977b42dd85be648b6bd2d614ff68ea6863a0013865e576b49c",
+    strip_prefix = "google-cloud-cpp-2.30.0",
+    url = "https://github.com/googleapis/google-cloud-cpp/archive/v2.30.0.tar.gz",
 )
 
 load("@google_cloud_cpp//bazel:google_cloud_cpp_deps.bzl", "google_cloud_cpp_deps")
diff --git a/setup/WORKSPACE.bazel b/setup/WORKSPACE.bazel
index 3eecba4..a6fd7e2 100644
--- a/setup/WORKSPACE.bazel
+++ b/setup/WORKSPACE.bazel
@@ -20,9 +20,9 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "google_cloud_cpp",
-    sha256 = "758e1eca8186b962516c0659b34ce1768ba1c9769cfd998c5bbffb084ad901ff",
-    strip_prefix = "google-cloud-cpp-2.29.0",
-    url = "https://github.com/googleapis/google-cloud-cpp/archive/v2.29.0.tar.gz",
+    sha256 = "170650b11ece54977b42dd85be648b6bd2d614ff68ea6863a0013865e576b49c",
+    strip_prefix = "google-cloud-cpp-2.30.0",
+    url = "https://github.com/googleapis/google-cloud-cpp/archive/v2.30.0.tar.gz",
 )
 # [END cpp_setup_bazel_download]