diff --git a/device/pom.xml b/device/pom.xml
index 3abad55..1513ffa 100644
--- a/device/pom.xml
+++ b/device/pom.xml
@@ -26,7 +26,7 @@
   mvn versions:update-properties
   -->
   <properties>
-    <spring-boot.version>2.5.14</spring-boot.version>
+    <spring-boot.version>2.7.7</spring-boot.version>
     <log4j.version>2.17.1</log4j.version>
     <snakeyaml.version>1.33</snakeyaml.version>
   </properties>
diff --git a/owner/pom.xml b/owner/pom.xml
index a07a818..3a9655c 100644
--- a/owner/pom.xml
+++ b/owner/pom.xml
@@ -26,7 +26,7 @@
   mvn versions:update-properties
   -->
   <properties>
-    <spring-boot.version>2.5.14</spring-boot.version>
+    <spring-boot.version>2.7.7</spring-boot.version>
     <log4j.version>2.17.1</log4j.version>
     <snakeyaml.version>1.33</snakeyaml.version>
     <jackson-databind.version>2.12.7.1</jackson-databind.version>
@@ -63,10 +63,6 @@
           <groupId>org.yaml</groupId>
           <artifactId>snakeyaml</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>com.fasterxml.jackson.core</groupId>
-          <artifactId>jackson-databind</artifactId>
-        </exclusion>
       </exclusions>
     </dependency>
 
@@ -88,12 +84,6 @@
       <version>${snakeyaml.version}</version>
     </dependency>
 
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-databind</artifactId>
-      <version>${jackson-databind.version}</version>
-    </dependency>
-
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
diff --git a/pom.xml b/pom.xml
index 47d8909..96adcb0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
     <maven-surefire-report-plugin.version>3.0.0-M5</maven-surefire-report-plugin.version>
     <maven-war-plugin.version>3.3.1</maven-war-plugin.version>
     <project-demo-directory>../demo</project-demo-directory>
-    <tomcat.version>9.0.68</tomcat.version>
+    <tomcat.version>9.0.71</tomcat.version>
   </properties>
 
   <modules>
diff --git a/rendezvous/pom.xml b/rendezvous/pom.xml
index b4aa084..49b6b7e 100644
--- a/rendezvous/pom.xml
+++ b/rendezvous/pom.xml
@@ -26,7 +26,7 @@
   mvn versions:update-properties
   -->
   <properties>
-    <spring-boot.version>2.5.14</spring-boot.version>
+    <spring-boot.version>2.7.7</spring-boot.version>
     <log4j.version>2.17.1</log4j.version>
     <snakeyaml.version>1.33</snakeyaml.version>
     <jackson-databind.version>2.12.7.1</jackson-databind.version>
@@ -63,10 +63,6 @@
           <groupId>org.yaml</groupId>
           <artifactId>snakeyaml</artifactId>
         </exclusion>
-        <exclusion>
-          <groupId>com.fasterxml.jackson.core</groupId>
-          <artifactId>jackson-databind</artifactId>
-        </exclusion>
       </exclusions>
     </dependency>
 
@@ -76,12 +72,6 @@
       <version>${snakeyaml.version}</version>
     </dependency>
 
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-databind</artifactId>
-      <version>${jackson-databind.version}</version>
-    </dependency>
-
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-to-slf4j</artifactId>
diff --git a/to0client/pom.xml b/to0client/pom.xml
index d4fec68..e4dd79c 100644
--- a/to0client/pom.xml
+++ b/to0client/pom.xml
@@ -26,7 +26,7 @@
   mvn versions:update-properties
   -->
   <properties>
-    <spring-boot.version>2.5.14</spring-boot.version>
+    <spring-boot.version>2.7.7</spring-boot.version>
     <log4j.version>2.17.1</log4j.version>
     <snakeyaml.version>1.33</snakeyaml.version>
   </properties>