diff --git a/third_party/systemlibs/jsoncpp.BUILD b/third_party/systemlibs/jsoncpp.BUILD
index 526fd0c..c838dde 100644
--- a/third_party/systemlibs/jsoncpp.BUILD
+++ b/third_party/systemlibs/jsoncpp.BUILD
@@ -6,6 +6,7 @@ filegroup(
 )
 
 HEADERS = [
+    "include/json/allocator.h",
     "include/json/autolink.h",
     "include/json/config.h",
     "include/json/features.h",