diff --git a/airbyte-featureflag/src/main/kotlin/Flags.kt b/airbyte-featureflag/src/main/kotlin/Flags.kt
index db1f57184d02..0fd53352862a 100644
--- a/airbyte-featureflag/src/main/kotlin/Flags.kt
+++ b/airbyte-featureflag/src/main/kotlin/Flags.kt
@@ -38,6 +38,8 @@ object FieldSelectionWorkspaces : EnvVar(envVar = "FIELD_SELECTION_WORKSPACES")
     }
 }
 
+object ShouldFailSyncIfHeartbeatFailure : Temporary(key = "heartbeat.failSync")
+
 /**
  * Flag is a sealed class that all feature-flags must inherit from.
  *
diff --git a/flags.yml b/flags.yml
index 859fe4f6459e..c168a764e45c 100644
--- a/flags.yml
+++ b/flags.yml
@@ -1,3 +1,5 @@
 flags:
   - name: performance.backgroundJsonSchemaValidation
     enabled: false
+  - name: heartbeat.failSync
+    enabled: false