diff --git a/packages/artifact_proxy/pubspec.lock b/packages/artifact_proxy/pubspec.lock
index d41af2b9c..fe6a38f36 100644
--- a/packages/artifact_proxy/pubspec.lock
+++ b/packages/artifact_proxy/pubspec.lock
@@ -266,10 +266,10 @@ packages:
     dependency: "direct dev"
     description:
       name: json_serializable
-      sha256: "8f52361c07497a7f2c16c13aac159f9be6fb12b1d67719eac98a21d9a205d571"
+      sha256: b0a98230538fe5d0b60a22fb6bf1b6cb03471b53e3324ff6069c591679dd59c9
       url: "https://pub.dev"
     source: hosted
-    version: "6.9.2"
+    version: "6.9.3"
   logging:
     dependency: transitive
     description:
diff --git a/packages/artifact_proxy/pubspec.yaml b/packages/artifact_proxy/pubspec.yaml
index 8422b579a..53a552a0d 100644
--- a/packages/artifact_proxy/pubspec.yaml
+++ b/packages/artifact_proxy/pubspec.yaml
@@ -18,7 +18,7 @@ dependencies:
 
 dev_dependencies:
   build_runner: ^2.4.13  
-  json_serializable: ^6.9.0
+  json_serializable: ^6.9.3
   mocktail: ^1.0.4
   test: ^1.25.14
   very_good_analysis: ^7.0.0