diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 9dc50a27..0a499043 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -27,5 +27,8 @@ r2dbc:
       url: r2dbc:pool:postgresql://${database.host}:${database.port}/${database.name}
       username: ${database.username}
       password: ${database.password}
+jackson:
+  serialization:
+    writeDatesAsTimestamps: false
 reconcililation:
   datasets: { }
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