diff --git a/go/private/platforms.bzl b/go/private/platforms.bzl
index 21a62e90da..a16e299311 100644
--- a/go/private/platforms.bzl
+++ b/go/private/platforms.bzl
@@ -30,6 +30,7 @@ BAZEL_GOARCH_CONSTRAINTS = {
     "amd64": "@platforms//cpu:x86_64",
     "arm": "@platforms//cpu:arm",
     "arm64": "@platforms//cpu:aarch64",
+    "ppc64": "@platforms//cpu:ppc",
     "ppc64le": "@platforms//cpu:ppc",
     "s390x": "@platforms//cpu:s390x",
 }