diff --git a/math/mathcore/CMakeLists.txt b/math/mathcore/CMakeLists.txt
index f93c3557f9bd3..fdc38d1b1be8c 100644
--- a/math/mathcore/CMakeLists.txt
+++ b/math/mathcore/CMakeLists.txt
@@ -197,6 +197,7 @@ ROOT_STANDARD_LIBRARY_PACKAGE(MathCore
     ${dictoptions}
   DEPENDENCIES
     Core
+    RIO
     ${MATHCORE_DEPENDENCIES}
   BUILTINS
     ${MATHCORE_BUILTINS}