diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bc85a2d03..5408ee6824 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,7 +35,7 @@ release.
 
 ## [Unreleased]
 
-## [8.1.0] - 2023-12-05
+## [8.1.0] - 2023-12-08
 
 ### Changed
 - Cnetthinner has been refactored to be callable; old Makefile tests have been removed and replaced by gtests. Issue: [#5354](https://github.com/USGS-Astrogeology/ISIS3/issues/5354), 
diff --git a/code.json b/code.json
index 7d187d909c..341e21b494 100644
--- a/code.json
+++ b/code.json
@@ -55,14 +55,14 @@
       "licenses": [
         {
           "name": "Public Domain, CC0-1.0",
-          "URL": "https://code.usgs.gov/astrogeology/isis/-/raw/7.1.0/LICENSE.md"
+          "URL": "https://code.usgs.gov/astrogeology/isis/-/raw/8.0.0/LICENSE.md"
         }
       ]
     },
 
     "homepageURL": "https://isis.astrogeology.usgs.gov",
-    "downloadURL": "https://code.usgs.gov/astrogeology/isis/-/archive/7.1.0/isis-7.1.0.zip",
-    "disclaimerURL": "https://code.usgs.gov/astrogeology/isis/-/raw/7.1.0/DISCLAIMER.md",
+    "downloadURL": "https://code.usgs.gov/astrogeology/isis/-/archive/8.0.0/isis-8.0.0.zip",
+    "disclaimerURL": "https://code.usgs.gov/astrogeology/isis/-/raw/8.0.0/DISCLAIMER.md",
     "repositoryURL": "https://code.usgs.gov/astrogeology/isis.git",
     "vcs": "git",
 
@@ -87,5 +87,49 @@
     "date": {
       "metadataLastUpdated": "2023-04-19"
     }
+  },{
+    "name": "ISIS3",
+    "organization": "U.S. Geological Survey",
+    "description": "GitHub code repository for the Integrated Software for Imagers and Spectrometers (ISIS)",
+    "version": "8.1.0_RC1",
+    "status": "Production",
+
+    "permissions": {
+      "usageType": "openSource",
+      "licenses": [
+        {
+          "name": "Public Domain, CC0-1.0",
+          "URL": "https://code.usgs.gov/astrogeology/isis/-/raw/8.1.0_RC1/LICENSE.md"
+        }
+      ]
+    },
+
+    "homepageURL": "https://isis.astrogeology.usgs.gov",
+    "downloadURL": "https://code.usgs.gov/astrogeology/isis/-/archive/8.1.0_RC1/8.1.0_RC1.zip",
+    "disclaimerURL": "https://code.usgs.gov/astrogeology/isis/-/raw/8.1.0_RC1/DISCLAIMER.md",
+    "repositoryURL": "https://code.usgs.gov/astrogeology/isis.git",
+    "vcs": "git",
+
+    "laborHours": 0,
+
+    "tags": [
+      "Planetary",
+      "Remote Sensing",
+      "Photogrammetry",
+      "Data Processing"
+    ],
+
+    "languages": [
+      "C++"
+    ],
+
+    "contact": {
+      "name": "Christine Kim",
+      "email": "chkim@usgs.gov"
+    },
+
+    "date": {
+      "metadataLastUpdated": "2023-12-08"
+    }
   }
 ]
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 79b1fea61d..3c64b66e5d 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -67,7 +67,7 @@ requirements:
    - geotiff
    - gmp
    - graphviz
-   - gsl>=2.6
+   - gsl>=2.6,<2.7
    - hdf5
    - icu
    - inja