diff --git a/hazelcast/pom.xml b/hazelcast/pom.xml
index 8a31594..11b12dd 100644
--- a/hazelcast/pom.xml
+++ b/hazelcast/pom.xml
@@ -36,7 +36,7 @@
         </dependency>
         <dependency>
             <groupId>com.hazelcast</groupId>
-            <artifactId>hazelcast</artifactId>
+            <artifactId>hazelcast-all</artifactId>
             <scope>provided</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 7368667..7b3313d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
         <scm.projectId>time</scm.projectId>
         <java.version>17</java.version>
 
-        <hazelcast.version>5.4.0</hazelcast.version>
+        <hazelcast.version>4.2.8</hazelcast.version>
     </properties>
 
     <dependencyManagement>
@@ -53,7 +53,7 @@
 
             <dependency>
                 <groupId>com.hazelcast</groupId>
-                <artifactId>hazelcast</artifactId>
+                <artifactId>hazelcast-all</artifactId>
                 <version>${hazelcast.version}</version>
             </dependency>
         </dependencies>
diff --git a/time/src/main/java/eu/ztsh/lib/time/util/TimeUtil.java b/time/src/main/java/eu/ztsh/lib/time/util/TimeUtil.java
index 59351bd..2303580 100644
--- a/time/src/main/java/eu/ztsh/lib/time/util/TimeUtil.java
+++ b/time/src/main/java/eu/ztsh/lib/time/util/TimeUtil.java
@@ -35,10 +35,6 @@ public class TimeUtil {
         return LocalDate.now();
     }
 
-    public static LocalDate yesterday() {
-        return today().minusDays(1);
-    }
-
     public static LocalDate convert(Date dateToConvert) {
         return dateToConvert.toInstant()
                 .atZone(ZoneId.systemDefault())