diff --git a/.github/workflows/publish-memory-viz.yml b/.github/workflows/publish-memory-viz.yml
index 4ef19cf..1ed12fb 100644
--- a/.github/workflows/publish-memory-viz.yml
+++ b/.github/workflows/publish-memory-viz.yml
@@ -9,6 +9,8 @@ jobs:
         permissions:
             contents: read
             id-token: write
+        environment:
+            name: publish-npm
         steps:
             - uses: actions/checkout@v4
             # Setup .npmrc file to publish to npm
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71bc796..4550362 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,12 @@ and adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ### 🔧 Internal changes
 
+## [0.5.0-rc.1] - 2024-12-06
+
+### 🔧 Internal changes
+
+- Added environment to GitHub Actions configuration for publishing releases
+
 ## [0.5.0-rc.0] - 2024-12-06
 
 ### ✨ Enhancements
diff --git a/memory-viz/package.json b/memory-viz/package.json
index d7dcaa0..290e870 100644
--- a/memory-viz/package.json
+++ b/memory-viz/package.json
@@ -1,6 +1,6 @@
 {
     "name": "memory-viz",
-    "version": "0.5.0-rc.0",
+    "version": "0.5.0-rc.1",
     "description": "Library for creating beginner-friendly memory model diagrams.",
     "main": "dist/memory-viz.bundle.js",
     "homepage": "https://www.cs.toronto.edu/~david/memory-viz",
diff --git a/package-lock.json b/package-lock.json
index 7c23447..1618fdd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -78,7 +78,7 @@
             }
         },
         "memory-viz": {
-            "version": "0.5.0-rc.0",
+            "version": "0.5.0-rc.1",
             "license": "MIT",
             "dependencies": {
                 "@xmldom/xmldom": "^0.8.10",