diff --git a/guides-parent/pom.xml b/guides-parent/pom.xml
index 1ac46146..28ae1c8a 100644
--- a/guides-parent/pom.xml
+++ b/guides-parent/pom.xml
@@ -109,7 +109,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>fastjson</artifactId>
-                <version>1.2.62</version>
+                <version>1.2.83</version>
             </dependency>
             <!-- rocksdb -->
             <dependency>
diff --git a/rpc-base/pom.xml b/rpc-base/pom.xml
index d1c5cd5a..8c36a91d 100644
--- a/rpc-base/pom.xml
+++ b/rpc-base/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.57</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>io.springfox</groupId>
diff --git a/spring-all/pom.xml b/spring-all/pom.xml
index 9dcbe650..1f65e77e 100644
--- a/spring-all/pom.xml
+++ b/spring-all/pom.xml
@@ -182,7 +182,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.73</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba.boot</groupId>