diff --git a/pom.xml b/pom.xml
index d464756..3f369a3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>4.0.2</version>
+        <version>4.0.4</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -17,9 +17,9 @@
 
     <properties>
         <java.version>25</java.version>
-        <errorprone.version>2.46.0</errorprone.version>
+        <errorprone.version>2.48.0</errorprone.version>
         <jooq.version>3.20.11</jooq.version>
-        <nullaway.version>0.12.15</nullaway.version>
+        <nullaway.version>0.13.1</nullaway.version>
     </properties>
 
     <dependencyManagement>
@@ -100,7 +100,7 @@
         <dependency>
             <groupId>org.springdoc</groupId>
             <artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
-            <version>3.0.0</version>
+            <version>3.0.2</version>
         </dependency>
 
         <!-- Testing -->
@@ -142,19 +142,19 @@
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
-            <version>2.0.2</version>
+            <version>2.0.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers-junit-jupiter</artifactId>
-            <version>2.0.2</version>
+            <version>2.0.4</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers-postgresql</artifactId>
-            <version>2.0.2</version>
+            <version>2.0.4</version>
             <scope>test</scope>
         </dependency>
 
@@ -184,7 +184,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.14.1</version>
+                <version>3.15.0</version>
                 <configuration>
                     <source>${java.version}</source>
                     <target>${java.version}</target>
@@ -255,7 +255,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>12.3.0</version>
+                        <version>13.3.0</version>
                     </dependency>
                     <dependency>
                         <groupId>it.aboutbits</groupId>
diff --git a/src/main/java/it/aboutbits/springboot/toolbox/type/ScaledBigDecimal.java b/src/main/java/it/aboutbits/springboot/toolbox/type/ScaledBigDecimal.java
index 8738efe..ef44bb1 100644
--- a/src/main/java/it/aboutbits/springboot/toolbox/type/ScaledBigDecimal.java
+++ b/src/main/java/it/aboutbits/springboot/toolbox/type/ScaledBigDecimal.java
@@ -1,5 +1,6 @@
 package it.aboutbits.springboot.toolbox.type;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.jspecify.annotations.NullMarked;
 
 import java.math.BigDecimal;
@@ -275,42 +276,52 @@ public short shortValue() {
         return (short) intValue();
     }
 
+    @JsonIgnore
     public boolean isZero() {
         return this.value().compareTo(BigDecimal.ZERO) == 0;
     }
 
+    @JsonIgnore
     public boolean isNegative() {
         return this.value().compareTo(BigDecimal.ZERO) < 0;
     }
 
+    @JsonIgnore
     public boolean isPositive() {
         return this.value().compareTo(BigDecimal.ZERO) > 0;
     }
 
+    @JsonIgnore
     public boolean isPositiveOrZero() {
         return this.value().compareTo(BigDecimal.ZERO) >= 0;
     }
 
+    @JsonIgnore
     public boolean isNegativeOrZero() {
         return this.value().compareTo(BigDecimal.ZERO) <= 0;
     }
 
+    @JsonIgnore
     public boolean isEqual(ScaledBigDecimal other) {
         return this.compareTo(other) == 0;
     }
 
+    @JsonIgnore
     public boolean isBiggerThan(ScaledBigDecimal other) {
         return this.compareTo(other) > 0;
     }
 
+    @JsonIgnore
     public boolean isEqualOrBiggerThan(ScaledBigDecimal other) {
         return this.compareTo(other) >= 0;
     }
 
+    @JsonIgnore
     public boolean isSmallerThan(ScaledBigDecimal other) {
         return this.compareTo(other) < 0;
     }
 
+    @JsonIgnore
     public boolean isEqualOrSmallerThan(ScaledBigDecimal other) {
         return this.compareTo(other) <= 0;
     }