diff --git a/system/default_ad_api/src/interface.cpp b/system/default_ad_api/src/interface.cpp
index 0b90e1c4c79a7..506a4aa8bf5eb 100644
--- a/system/default_ad_api/src/interface.cpp
+++ b/system/default_ad_api/src/interface.cpp
@@ -21,7 +21,7 @@ InterfaceNode::InterfaceNode(const rclcpp::NodeOptions & options) : Node("interf
 {
   const auto on_interface_version = [](auto, auto res) {
     res->major = 1;
-    res->minor = 1;
+    res->minor = 2;
     res->patch = 0;
   };
 
diff --git a/system/default_ad_api/test/node/interface_version.py b/system/default_ad_api/test/node/interface_version.py
index 4694f3af642ce..ccfa3e1101185 100644
--- a/system/default_ad_api/test/node/interface_version.py
+++ b/system/default_ad_api/test/node/interface_version.py
@@ -30,7 +30,7 @@
 
 if response.major != 1:
     exit(1)
-if response.minor != 1:
+if response.minor != 2:
     exit(1)
 if response.patch != 0:
     exit(1)