diff --git a/pom.xml b/pom.xml
index 71a7cef..39a7ea3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.4.1</version>
+        <version>3.4.2</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.contentstack</groupId>
@@ -16,7 +16,7 @@
     <description>Demo project for graphql-springboot-api-integration</description>
     <properties>
         <java.version>17</java.version>
-        <spring-boot.version>3.4.1</spring-boot.version>
+        <spring-boot.version>3.4.2</spring-boot.version>
         <json-smart.version>2.5.2</json-smart.version>
     </properties>
 
@@ -70,7 +70,45 @@
              <dependency>
                  <groupId>org.jetbrains.kotlin</groupId>
                  <artifactId>kotlin-stdlib</artifactId>
-                 <version>1.6.0</version>
+                 <version>2.1.0</version>
+             </dependency>
+             <!-- Fix Tomcat vulnerabilities -->
+             <dependency>
+                 <groupId>org.apache.tomcat.embed</groupId>
+                 <artifactId>tomcat-embed-core</artifactId>
+                 <version>10.1.43</version>
+             </dependency>
+             <dependency>
+                 <groupId>org.apache.tomcat.embed</groupId>
+                 <artifactId>tomcat-embed-el</artifactId>
+                 <version>10.1.43</version>
+             </dependency>
+             <dependency>
+                 <groupId>org.apache.tomcat.embed</groupId>
+                 <artifactId>tomcat-embed-websocket</artifactId>
+                 <version>10.1.43</version>
+             </dependency>
+             <!-- Fix Logback vulnerabilities -->
+             <dependency>
+                 <groupId>ch.qos.logback</groupId>
+                 <artifactId>logback-core</artifactId>
+                 <version>1.5.13</version>
+             </dependency>
+             <dependency>
+                 <groupId>ch.qos.logback</groupId>
+                 <artifactId>logback-classic</artifactId>
+                 <version>1.5.13</version>
+             </dependency>
+             <!-- Fix Spring Framework vulnerabilities -->
+             <dependency>
+                 <groupId>org.springframework</groupId>
+                 <artifactId>spring-web</artifactId>
+                 <version>6.2.8</version>
+             </dependency>
+             <dependency>
+                 <groupId>org.springframework</groupId>
+                 <artifactId>spring-context</artifactId>
+                 <version>6.2.8</version>
              </dependency>
          </dependencies>
       </dependencyManagement>
diff --git a/src/main/java/com/contentstack/gqlspring/GraphqlApp.java b/src/main/java/com/contentstack/gqlspring/GraphqlApp.java
index cb15eb3..7b82841 100644
--- a/src/main/java/com/contentstack/gqlspring/GraphqlApp.java
+++ b/src/main/java/com/contentstack/gqlspring/GraphqlApp.java
@@ -75,7 +75,7 @@ public String aboutUs(@RequestParam(name = "name", required = false, defaultValu
                 ALL_FOOTER, FooterModel.class);
 
 
-        if (headerResp == null | aboutResp == null | footerResp == null) {
+        if (headerResp == null || aboutResp == null || footerResp == null) {
             model.addAttribute("home", "Could not fetch About page..");
         } else {
             model.addAttribute(ABOUT, ABOUT);
@@ -112,7 +112,7 @@ public String blogs(Model model) {
                 ALL_FOOTER, FooterModel.class);
 
 
-        if (headerResp == null | blogResp == null | archivedBlogsResp == null | allBlogListResp == null | footerResp == null) {
+        if (headerResp == null || blogResp == null || archivedBlogsResp == null || allBlogListResp == null || footerResp == null) {
             model.addAttribute("home", "Could not fetch Blog page..");
         } else {
             model.addAttribute(BANNER, "blog");
@@ -141,7 +141,7 @@ public String contact(Model model) {
         Object footerResp = contentstack.getQuery(queryString,
                 ALL_FOOTER, FooterModel.class);
 
-        if (headerResp == null | footerResp == null | contactusResp == null) {
+        if (headerResp == null || footerResp == null || contactusResp == null) {
             model.addAttribute("home", "Could not fetch Contact page..");
         } else {
             model.addAttribute(HEADER, headerResp);
@@ -170,7 +170,7 @@ public String blogPost(@PathVariable String id, Model model) {
         Object footerResp = contentstack.getQuery(queryString,
                 ALL_FOOTER, FooterModel.class);
 
-        if (headerResp == null | blogPostResp == null | blogResp == null | footerResp == null) {
+        if (headerResp == null || blogPostResp == null || blogResp == null || footerResp == null) {
             model.addAttribute("blog post", "Could not fetch Blog post page..");
         } else {
             model.addAttribute(BANNER, "blog");