diff --git a/header-footer/pom.xml b/header-footer/pom.xml
index f3d379d..5c13241 100644
--- a/header-footer/pom.xml
+++ b/header-footer/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>1.5.7.RELEASE</version>
+    <version>2.2.4.RELEASE</version>
     <relativePath /> <!-- lookup parent from repository -->
   </parent>
 
diff --git a/product-detail-page/pom.xml b/product-detail-page/pom.xml
index 475a141..2e3c624 100644
--- a/product-detail-page/pom.xml
+++ b/product-detail-page/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.1.0.RELEASE</version>
+    <version>2.2.4.RELEASE</version>
     <relativePath />
   </parent>
 
diff --git a/product-information/pom.xml b/product-information/pom.xml
index b7bfa48..79eff13 100644
--- a/product-information/pom.xml
+++ b/product-information/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>2.1.0.RELEASE</version>
+    <version>2.2.4.RELEASE</version>
     <relativePath /> <!-- lookup parent from repository -->
   </parent>