diff --git a/pbs-config/src/config_version_cache.rs b/pbs-config/src/config_version_cache.rs
index f0fe86595..b5e524867 100644
--- a/pbs-config/src/config_version_cache.rs
+++ b/pbs-config/src/config_version_cache.rs
@@ -157,6 +157,6 @@ impl ConfigVersionCache {
         self.shmem
             .data()
             .datastore_generation
-            .fetch_add(1, Ordering::Acquire)
+            .fetch_add(1, Ordering::AcqRel)
     }
 }