diff --git a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbDate.java b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbDate.java
index 8fc2d8e8ad..b59be0ca0d 100644
--- a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbDate.java
+++ b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbDate.java
@@ -17,6 +17,14 @@ package org.thingsboard.script.api.tbel;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.TemporalAccessor;
 import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.Locale;
@@ -24,6 +32,11 @@ import java.util.TimeZone;
 
 public class TbDate extends Date {
 
+    private static final DateTimeFormatter isoDateFormatter = DateTimeFormatter.ofPattern(
+            "yyyy-MM-dd[[ ]['T']HH:mm[:ss[.SSS]][ ][XXX][Z][z][VV][O]]").withZone(ZoneId.systemDefault());
+
+    private static final DateFormat isoDateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+
     public TbDate() {
         super();
     }
@@ -60,8 +73,7 @@ public class TbDate extends Date {
     }
 
     public String toISOString() {
-        DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
-        return formatter.format(this);
+        return isoDateFormat.format(this);
     }
 
     public String toLocaleString(String locale) {
@@ -79,14 +91,32 @@ public class TbDate extends Date {
         return System.currentTimeMillis();
     }
 
-    public static long parse(String value) {
+    public static long parse(String value, String format) {
         try {
-           return Date.parse(value);
-        } catch (IllegalArgumentException e) {
+            DateFormat dateFormat = new SimpleDateFormat(format);
+            return dateFormat.parse(value).getTime();
+        } catch (Exception e) {
             return -1;
         }
     }
 
+    public static long parse(String value) {
+        try {
+            TemporalAccessor accessor = isoDateFormatter.parseBest(value,
+                    ZonedDateTime::from,
+                    LocalDateTime::from,
+                    LocalDate::from);
+            Instant instant = Instant.from(accessor);
+            return Instant.EPOCH.until(instant, ChronoUnit.MILLIS);
+        } catch (Exception e) {
+            try {
+                return Date.parse(value);
+            } catch (IllegalArgumentException e2) {
+                return -1;
+            }
+        }
+    }
+
     public static long UTC(int year, int month, int date,
                            int hrs, int min, int sec) {
         return Date.UTC(year - 1900, month, date, hrs, min, sec);
diff --git a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
index f4937193e7..dc0d0a8b09 100644
--- a/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
+++ b/common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
@@ -218,15 +218,15 @@ public class TbUtils {
         return parseBytesToInt(data, 0, data.length, bigEndian);
     }
 
-    public static ExecutionArrayList<Integer> hexToBytes(ExecutionContext ctx, String hex) {
+    public static ExecutionArrayList<Byte> hexToBytes(ExecutionContext ctx, String hex) {
         int len = hex.length();
         if (len % 2 > 0) {
             throw new IllegalArgumentException("Hex string must be even-length.");
         }
-        ExecutionArrayList<Integer> data = new ExecutionArrayList<>(ctx);
+        ExecutionArrayList<Byte> data = new ExecutionArrayList<>(ctx);
         for (int i = 0; i < len; i += 2) {
-            data.add((Character.digit(hex.charAt(i), 16) << 4)
-                    + Character.digit(hex.charAt(i + 1), 16));
+            data.add((byte)((Character.digit(hex.charAt(i), 16) << 4)
+                    + Character.digit(hex.charAt(i + 1), 16)));
         }
         return data;
     }
diff --git a/pom.xml b/pom.xml
index ef1c8286c5..53442cd68b 100755
--- a/pom.xml
+++ b/pom.xml
@@ -77,7 +77,7 @@
         <zookeeper.version>3.5.5</zookeeper.version>
         <protobuf.version>3.21.9</protobuf.version>
         <grpc.version>1.42.1</grpc.version>
-        <tbel.version>1.0.0</tbel.version>
+        <tbel.version>1.0.1</tbel.version>
         <lombok.version>1.18.18</lombok.version>
         <paho.client.version>1.2.4</paho.client.version>
         <netty.version>4.1.75.Final</netty.version>