diff --git a/code.json b/code.json
index da49293394d7d8a43220f5d64cf02d1b1d80105c..d6ccc446860e48fda3bd227d79d0458fc9265847 100644
--- a/code.json
+++ b/code.json
@@ -43,5 +43,49 @@
       "date": {
         "metadataLastUpdated": "2022-05-12"
       }
+    }, {
+      "name": "plio",
+      "organization": "U.S. Geological Survey",
+      "description": "A planetary surface data input/output library written in Python.",
+      "version": "v1.5.3",
+      "status": "Development",
+
+      "permissions": {
+        "usageType": "openSource",
+        "licenses": [
+          {
+            "name": "Public Domain, CC0-1.0",
+            "URL": "https://code.usgs.gov/astrogeology/plio/-/raw/v1.5.3/LICENSE.md"
+          }
+        ]
+      },
+  
+      "homepageURL": "https://plio.readthedocs.io/en/latest/?badge=latest",
+      "downloadURL": "https://code.usgs.gov/astrogeology/plio/-/archive/v1.5.3/plio-v1.5.3.zip",
+      "disclaimerURL": "https://code.usgs.gov/astrogeology/plio/-/raw/v1.5.3/DISCLAIMER.md",
+      "repositoryURL": "https://code.usgs.gov/astrogeology/plio.git",
+      "vcs": "git",
+  
+      "laborHours": 1000,
+  
+      "tags": [
+        "Planetary",
+        "Remote Sensing",
+        "Photogrammetry",
+        "Data Processing"
+      ],
+  
+      "languages": [
+        "python"
+      ],
+  
+      "contact": {
+        "name": "Dr. Jason Laura",
+        "email": "jlaura@usgs.gov"
+      },
+  
+      "date": {
+        "metadataLastUpdated": "2023-02-23"
+      }
     }
   ]