diff --git a/.release-plan.json b/.release-plan.json
index 86c98d8..65c4c23 100644
--- a/.release-plan.json
+++ b/.release-plan.json
@@ -1,21 +1,17 @@
 {
   "solution": {
     "scenario-tester": {
-      "impact": "minor",
-      "oldVersion": "3.0.1",
-      "newVersion": "3.1.0",
+      "impact": "major",
+      "oldVersion": "3.1.0",
+      "newVersion": "4.0.0",
       "constraints": [
         {
-          "impact": "minor",
-          "reason": "Appears in changelog section :rocket: Enhancement"
-        },
-        {
-          "impact": "patch",
-          "reason": "Appears in changelog section :house: Internal"
+          "impact": "major",
+          "reason": "Appears in changelog section :boom: Breaking Change"
         }
       ],
       "pkgJSONPath": "./package.json"
     }
   },
-  "description": "## Release (2024-01-08)\n\nscenario-tester 3.1.0 (minor)\n\n#### :rocket: Enhancement\n* `scenario-tester`\n  * [#30](https://github.com/embroider-build/scenario-tester/pull/30) Allow you to call skip twice with the same name ([@mansona](https://github.com/mansona))\n\n#### :house: Internal\n* `scenario-tester`\n  * [#32](https://github.com/embroider-build/scenario-tester/pull/32) fix docs build ([@mansona](https://github.com/mansona))\n\n#### Committers: 1\n- Chris Manson ([@mansona](https://github.com/mansona))\n"
+  "description": "## Release (2024-05-01)\n\nscenario-tester 4.0.0 (major)\n\n#### :boom: Breaking Change\n* `scenario-tester`\n  * [#34](https://github.com/embroider-build/scenario-tester/pull/34) update fixturify-project ([@ef4](https://github.com/ef4))\n\n#### Committers: 1\n- Edward Faulkner ([@ef4](https://github.com/ef4))\n"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11824f1..e44863c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,14 @@
 # scenario-tester Changelog
+## Release (2024-05-01)
+
+scenario-tester 4.0.0 (major)
+
+#### :boom: Breaking Change
+* `scenario-tester`
+  * [#34](https://github.com/embroider-build/scenario-tester/pull/34) update fixturify-project ([@ef4](https://github.com/ef4))
+
+#### Committers: 1
+- Edward Faulkner ([@ef4](https://github.com/ef4))
 ## Release (2024-01-08)
 
 scenario-tester 3.1.0 (minor)
diff --git a/package.json b/package.json
index 642a083..f98bd86 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scenario-tester",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "repository": "https://github.com/embroider-build/scenario-tester",
   "license": "MIT",
   "author": "Edward Faulkner <edward@eaf4.com>",