diff --git a/utils/pom.xml b/utils/pom.xml
index 424783bb..faf678bb 100644
--- a/utils/pom.xml
+++ b/utils/pom.xml
@@ -69,12 +69,10 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
diff --git a/utils/src/main/java/org/ton/java/utils/Utils.java b/utils/src/main/java/org/ton/java/utils/Utils.java
index 39a31369..3e10a9d6 100644
--- a/utils/src/main/java/org/ton/java/utils/Utils.java
+++ b/utils/src/main/java/org/ton/java/utils/Utils.java
@@ -25,16 +25,16 @@
 import java.util.Locale;
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
-import java.util.logging.Logger;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.codec.DecoderException;
 import org.apache.commons.codec.binary.Hex;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
 
+@Slf4j
 public class Utils {
-  private static final Logger log = Logger.getLogger(Utils.class.getName());
   private static final String HEXES = "0123456789ABCDEF";
   private static final long BLN1 = 1000000000L;
   private static final BigInteger BI_BLN1 = BigInteger.valueOf(BLN1);