diff --git a/BUILD.gn b/BUILD.gn
index 9e04c2a..a22c834 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -7,4 +7,8 @@
     "murmurhash.c",
     "murmurhash.h",
   ]
+
+  # TODO(46777): UBSan has found an instance of undefined behavior in this target.
+  # Disable UBSan for this target temporarily until it is migrated into CI/CQ.
+  configs += [ "//build/config:temporarily_disable_ubsan_do_not_use" ]
 }