diff --git a/tools/run_tests/sanity/check_bazel_workspace.py b/tools/run_tests/sanity/check_bazel_workspace.py
index 555149c820e..fcffa22be40 100755
--- a/tools/run_tests/sanity/check_bazel_workspace.py
+++ b/tools/run_tests/sanity/check_bazel_workspace.py
@@ -47,6 +47,7 @@ _GRPC_DEP_NAMES = [
     'com_google_protobuf',
     'com_github_google_googletest',
     'com_github_gflags_gflags',
+    'com_github_nanopb_nanopb',
     'com_github_google_benchmark',
     'com_github_cares_cares',
     'com_google_absl',