diff --git a/src/core/dune b/src/core/dune
index 1c0ae1ab..b78fea49 100644
--- a/src/core/dune
+++ b/src/core/dune
@@ -2,7 +2,7 @@
  (name opentelemetry_core)
  (public_name opentelemetry.core)
  (synopsis "Core types and definitions for opentelemetry")
- (flags :standard -warn-error -a+8 -open Opentelemetry_util)
+ (flags :standard -warn-error -a+8 -open Opentelemetry_util -open Opentelemetry_atomic)
  (libraries
   opentelemetry.proto
   opentelemetry.util