diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2136d1..e1facf8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 Unreleased
 =====
 
+<!-- Add descriptions of changes here -->
+
+3.1.0
+=====
+
+* Support node 18 [13](https://github.com/increments/camo/pull/13)
+* Add workflow to build docker image to GitHub Container Registry [14](https://github.com/increments/camo/pull/14)
 * Setup "npm" and "docker" upgrade dependency configuration [8](https://github.com/increments/camo/pull/8)
 * Add tests on GitHub Actions [7](https://github.com/increments/camo/pull/7)
 
diff --git a/package-lock.json b/package-lock.json
index 46cf0c6..248e897 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "camo",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "camo",
-      "version": "3.0.0",
+      "version": "3.1.0",
       "devDependencies": {
         "coffee-script": "^1.12.6"
       },
diff --git a/package.json b/package.json
index e6213c5..4517b2c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "camo",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "dependencies": {},
   "engines": {
     "node": "^16 || ^17 || ^18"