diff --git a/guides-parent/pom.xml b/guides-parent/pom.xml
index 1ac46146..48ce583d 100644
--- a/guides-parent/pom.xml
+++ b/guides-parent/pom.xml
@@ -16,7 +16,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spring-boot.version>2.3.4.RELEASE</spring-boot.version>
         <java.version>1.8</java.version>
-        <version.jackson.core>2.10.0</version.jackson.core>
+        <version.jackson.core>2.12.6.1</version.jackson.core>
     </properties>
 
     <modules>
diff --git a/rpc-base/pom.xml b/rpc-base/pom.xml
index d1c5cd5a..f6d483b4 100644
--- a/rpc-base/pom.xml
+++ b/rpc-base/pom.xml
@@ -17,7 +17,7 @@
     <properties>
         <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <version.jackson.core>2.10.0</version.jackson.core>
+        <version.jackson.core>2.12.6.1</version.jackson.core>
     </properties>
 
     <dependencies>