diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/LogsOracle.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/LogsOracle.kt
index 70bf24e3..87774a13 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/LogsOracle.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/LogsOracle.kt
@@ -24,12 +24,15 @@ class LogsOracle(
         subscription = upstream.getHead().getFlux()
             .publishOn(scheduler)
             .doOnError { t -> log.error("Failed to subscribe head for oracle", t) }
+            .doFinally { log.info("unsubscribe head") }
             .subscribe { setHeight(it.height) }
 
         setUpstream(config.rpc)
     }
 
     fun stop() {
+        log.info("liboracle closed")
+
         subscription?.dispose()
         subscription = null
 
diff --git a/src/main/resources/LogsOracle.jar b/src/main/resources/LogsOracle.jar
index 55dd95f1..350e09f6 100644
Binary files a/src/main/resources/LogsOracle.jar and b/src/main/resources/LogsOracle.jar differ