diff --git a/client/pom.xml b/client/pom.xml
index 1d4b32f4..8a40e029 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -176,7 +176,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.9.0</version>
+            <version>2.13.1</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
diff --git a/client/src/main/java/io/split/client/events/EventsSender.java b/client/src/main/java/io/split/client/events/EventsSender.java
index 2c023ef3..900a9e28 100644
--- a/client/src/main/java/io/split/client/events/EventsSender.java
+++ b/client/src/main/java/io/split/client/events/EventsSender.java
@@ -12,7 +12,7 @@
 import java.net.URISyntaxException;
 import java.util.List;
 
-import static com.google.gson.internal.$Gson$Preconditions.checkNotNull;
+import static com.google.gson.internal.GsonPreconditions.checkNotNull;
 
 public class EventsSender {
 
diff --git a/client/src/main/java/io/split/client/events/InMemoryEventsStorage.java b/client/src/main/java/io/split/client/events/InMemoryEventsStorage.java
index fae0d070..6e12349e 100644
--- a/client/src/main/java/io/split/client/events/InMemoryEventsStorage.java
+++ b/client/src/main/java/io/split/client/events/InMemoryEventsStorage.java
@@ -12,7 +12,7 @@
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
 
-import static com.google.gson.internal.$Gson$Preconditions.checkNotNull;
+import static com.google.gson.internal.GsonPreconditions.checkNotNull;
 
 public class InMemoryEventsStorage implements EventsStorage{
 
diff --git a/client/src/main/java/io/split/client/impressions/UniqueKeysTrackerImp.java b/client/src/main/java/io/split/client/impressions/UniqueKeysTrackerImp.java
index bd2ff918..80b3703d 100644
--- a/client/src/main/java/io/split/client/impressions/UniqueKeysTrackerImp.java
+++ b/client/src/main/java/io/split/client/impressions/UniqueKeysTrackerImp.java
@@ -117,7 +117,7 @@ private void sendUniqueKeys(){
         }
         try {
             if (uniqueKeysTracker.size() == 0) {
-                _log.warn("The Unique Keys Tracker is empty");
+                _log.debug("The Unique Keys Tracker is empty");
                 return;
             }
             HashMap<String, HashSet<String>> uniqueKeysHashMap = popAll();