diff --git a/ryu/tests/unit/ofproto/json/of12/3-61-ofp_group_stats_request.packet.json b/ryu/tests/unit/ofproto/json/of12/3-61-ofp_group_stats_request.packet.json
new file mode 100644
index 00000000..2d1afdc0
--- /dev/null
+++ b/ryu/tests/unit/ofproto/json/of12/3-61-ofp_group_stats_request.packet.json
@@ -0,0 +1,6 @@
+{
+   "OFPGroupStatsRequest": {
+      "flags": 0, 
+      "group_id": 4294967292
+   }
+}
diff --git a/ryu/tests/unit/ofproto/json/of12/3-62-ofp_group_stats_reply.packet.json b/ryu/tests/unit/ofproto/json/of12/3-62-ofp_group_stats_reply.packet.json
new file mode 100644
index 00000000..8cb8f8ce
--- /dev/null
+++ b/ryu/tests/unit/ofproto/json/of12/3-62-ofp_group_stats_reply.packet.json
@@ -0,0 +1,25 @@
+{
+   "OFPStatsReply": {
+      "body": [
+         {
+            "OFPGroupStats": {
+               "bucket_counters": [
+                  {
+                     "OFPBucketCounter": {
+                        "byte_count": 2345, 
+                        "packet_count": 234
+                     }
+                  }
+               ], 
+               "byte_count": 12345, 
+               "group_id": 1, 
+               "length": 48, 
+               "packet_count": 123, 
+               "ref_count": 2
+            }
+         }
+      ], 
+      "flags": 0, 
+      "type": 6
+   }
+}