diff --git a/tools/versioner/src/versioner.h b/tools/versioner/src/versioner.h
index e9c4989..225e14b 100644
--- a/tools/versioner/src/versioner.h
+++ b/tools/versioner/src/versioner.h
@@ -39,5 +39,5 @@
   { "sys/_system_properties.h", supported_archs },
 
   // time64.h #errors when included on LP64 archs.
-  { "time64.h", { Arch::arm64, Arch::x86_64 } },
+  { "time64.h", { Arch::arm64, Arch::riscv64, Arch::x86_64 } },
 };