diff --git a/cpp/platform/impl/g3/BUILD b/cpp/platform/impl/g3/BUILD
index 264ee471..50f1150e 100644
--- a/cpp/platform/impl/g3/BUILD
+++ b/cpp/platform/impl/g3/BUILD
@@ -35,6 +35,7 @@ cc_library(
     visibility = ["//visibility:private"],
     deps = [
         "//base",
+        "//base:stringprintf",
         "//absl/base:core_headers",
         "//absl/synchronization",
         "//absl/time",
diff --git a/cpp/platform/impl/windows/BUILD b/cpp/platform/impl/windows/BUILD
index 2747a014..9458ac86 100644
--- a/cpp/platform/impl/windows/BUILD
+++ b/cpp/platform/impl/windows/BUILD
@@ -39,6 +39,7 @@ cc_library(
     compatible_with = ["//buildenv/target:non_prod"],
     deps = [
         "//base",
+        "//base:stringprintf",
         "//platform/api:types",
         "//platform/base",
     ],