diff --git a/as-data-cleaning/pom.xml b/as-data-cleaning/pom.xml
index e9b0417..841055e 100644
--- a/as-data-cleaning/pom.xml
+++ b/as-data-cleaning/pom.xml
@@ -46,7 +46,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot</artifactId>
-      <version>2.1.8.RELEASE</version>
+      <version>2.2.11.RELEASE</version>
       <scope>compile</scope>
     </dependency>
 
diff --git a/as-downstream-save/pom.xml b/as-downstream-save/pom.xml
index 37b5ec9..8838d91 100644
--- a/as-downstream-save/pom.xml
+++ b/as-downstream-save/pom.xml
@@ -183,7 +183,7 @@
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot</artifactId>
-          <version>2.1.8.RELEASE</version>
+          <version>2.2.11.RELEASE</version>
           <scope>compile</scope>
       </dependency>
       <dependency>
@@ -201,13 +201,13 @@
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot</artifactId>
-          <version>2.1.8.RELEASE</version>
+          <version>2.2.11.RELEASE</version>
           <scope>compile</scope>
       </dependency>
       <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot</artifactId>
-          <version>2.1.8.RELEASE</version>
+          <version>2.2.11.RELEASE</version>
           <scope>compile</scope>
       </dependency>
       <dependency>
diff --git a/pom.xml b/pom.xml
index bc5191e..b7960a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot</artifactId>
-      <version>2.1.8.RELEASE</version>
+      <version>2.2.11.RELEASE</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>