diff --git a/pom.xml b/pom.xml
index c8e2cca58..efb4ef384 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,12 +6,12 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.8.RELEASE</version>
+        <version>2.3.1.RELEASE</version>
     </parent>
 
     <groupId>org.springframework.samples</groupId>
     <artifactId>spring-petclinic-microservices</artifactId>
-    <version>2.2.8</version>
+    <version>2.3.1</version>
     <name>${project.artifactId}</name>
     <packaging>pom</packaging>
 
@@ -29,7 +29,7 @@
         <java.version>1.8</java.version>
         <assertj.version>3.11.1</assertj.version>
 
-        <spring-boot.version>2.2.8.RELEASE</spring-boot.version>
+        <spring-boot.version>2.3.1.RELEASE</spring-boot.version>
         <spring-cloud.version>Hoxton.SR5</spring-cloud.version>
 
         <maven-surefire-plugin.version>2.22.0</maven-surefire-plugin.version>
diff --git a/spring-petclinic-admin-server/pom.xml b/spring-petclinic-admin-server/pom.xml
index 1b40cdcd4..5e0bfa8b1 100644
--- a/spring-petclinic-admin-server/pom.xml
+++ b/spring-petclinic-admin-server/pom.xml
@@ -12,7 +12,7 @@
     <parent>
         <groupId>org.springframework.samples</groupId>
         <artifactId>spring-petclinic-microservices</artifactId>
-        <version>2.2.8</version>
+        <version>2.3.1</version>
     </parent>
 
     <properties>
diff --git a/spring-petclinic-api-gateway/pom.xml b/spring-petclinic-api-gateway/pom.xml
index 74f2a89f8..65e5f95f0 100644
--- a/spring-petclinic-api-gateway/pom.xml
+++ b/spring-petclinic-api-gateway/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.samples</groupId>
         <artifactId>spring-petclinic-microservices</artifactId>
-        <version>2.2.8</version>
+        <version>2.3.1</version>
     </parent>
 
     <properties>
diff --git a/spring-petclinic-config-server/pom.xml b/spring-petclinic-config-server/pom.xml
index c9bc1cc1c..2528a376d 100644
--- a/spring-petclinic-config-server/pom.xml
+++ b/spring-petclinic-config-server/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.samples</groupId>
         <artifactId>spring-petclinic-microservices</artifactId>
-        <version>2.2.8</version>
+        <version>2.3.1</version>
     </parent>
 
     <properties>
diff --git a/spring-petclinic-customers-service/pom.xml b/spring-petclinic-customers-service/pom.xml
index 44acf33e4..7a0e75a59 100644
--- a/spring-petclinic-customers-service/pom.xml
+++ b/spring-petclinic-customers-service/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.samples</groupId>
 		<artifactId>spring-petclinic-microservices</artifactId>
-		<version>2.2.8</version>
+		<version>2.3.1</version>
 	</parent>
 
     <properties>
diff --git a/spring-petclinic-discovery-server/pom.xml b/spring-petclinic-discovery-server/pom.xml
index 897529208..5672ddb0f 100644
--- a/spring-petclinic-discovery-server/pom.xml
+++ b/spring-petclinic-discovery-server/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.samples</groupId>
         <artifactId>spring-petclinic-microservices</artifactId>
-        <version>2.2.8</version>
+        <version>2.3.1</version>
     </parent>
 
     <properties>
diff --git a/spring-petclinic-vets-service/pom.xml b/spring-petclinic-vets-service/pom.xml
index 9f42022be..e86d03f11 100644
--- a/spring-petclinic-vets-service/pom.xml
+++ b/spring-petclinic-vets-service/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.samples</groupId>
 		<artifactId>spring-petclinic-microservices</artifactId>
-		<version>2.2.8</version>
+		<version>2.3.1</version>
 	</parent>
 
     <properties>
diff --git a/spring-petclinic-visits-service/pom.xml b/spring-petclinic-visits-service/pom.xml
index 35a402aaf..7b13e7fdc 100644
--- a/spring-petclinic-visits-service/pom.xml
+++ b/spring-petclinic-visits-service/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.samples</groupId>
         <artifactId>spring-petclinic-microservices</artifactId>
-        <version>2.2.8</version>
+        <version>2.3.1</version>
     </parent>
 
     <properties>