diff --git a/package.json b/package.json
index 8d0c3ddaf..c622d21f7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "glint",
-  "version": "1.4.0",
+  "version": "0.0.0",
   "private": true,
   "repository": "https://github.com/typed-ember/glint",
   "scripts": {
diff --git a/packages/core/package.json b/packages/core/package.json
index efc653542..7f4f70c12 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glint/core",
-  "version": "1.4.0",
+  "version": "2.0.0-alpha.0",
   "repository": "typed-ember/glint",
   "description": "A CLI for performing typechecking on Glimmer templates",
   "license": "MIT",
@@ -36,6 +36,15 @@
     "dev": "tsc --watch",
     "prepack": "pnpm build"
   },
+  "release-plan": {
+    "semverIncrementAs": {
+      "major": "prerelease",
+      "minor": "prerelease",
+      "patch": "prerelease"
+    },
+    "semverIncrementTag": "alpha",
+    "publishTag": "alpha"
+  },
   "peerDependencies": {
     "typescript": ">=5.6.0"
   },
diff --git a/packages/environment-ember-loose/package.json b/packages/environment-ember-loose/package.json
index 678b9a19b..d44fc3508 100644
--- a/packages/environment-ember-loose/package.json
+++ b/packages/environment-ember-loose/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glint/environment-ember-loose",
-  "version": "1.4.0",
+  "version": "2.0.0-alpha.0",
   "repository": "typed-ember/glint",
   "description": "A Glint environment to support loose-mode Ember.js projects",
   "license": "MIT",
@@ -23,6 +23,15 @@
     "build": "tsc --build",
     "prepack": "pnpm build"
   },
+  "release-plan": {
+    "semverIncrementAs": {
+      "major": "prerelease",
+      "minor": "prerelease",
+      "patch": "prerelease"
+    },
+    "semverIncrementTag": "alpha",
+    "publishTag": "alpha"
+  },
   "files": [
     "README.md",
     "-private/**/*.{js,d.ts}",
diff --git a/packages/environment-ember-template-imports/package.json b/packages/environment-ember-template-imports/package.json
index 09c297f09..b46a927e8 100644
--- a/packages/environment-ember-template-imports/package.json
+++ b/packages/environment-ember-template-imports/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glint/environment-ember-template-imports",
-  "version": "1.4.0",
+  "version": "2.0.0-alpha.0",
   "repository": "typed-ember/glint",
   "description": "A Glint environment to support ember-template-imports projects",
   "license": "MIT",
@@ -23,6 +23,15 @@
     "build": "tsc --build",
     "prepack": "pnpm build"
   },
+  "release-plan": {
+    "semverIncrementAs": {
+      "major": "prerelease",
+      "minor": "prerelease",
+      "patch": "prerelease"
+    },
+    "semverIncrementTag": "alpha",
+    "publishTag": "alpha"
+  },
   "files": [
     "README.md",
     "-private/**/*.{js,d.ts}",
diff --git a/packages/tsserver-plugin/package.json b/packages/tsserver-plugin/package.json
index fecd03f51..10dae44b4 100644
--- a/packages/tsserver-plugin/package.json
+++ b/packages/tsserver-plugin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glint/tsserver-plugin",
-  "version": "1.4.0",
+  "version": "2.0.0-alpha.0",
   "type": "commonjs",
   "repository": "typed-ember/glint",
   "description": "TypeScript Server Plugin for Glint",
@@ -27,6 +27,15 @@
     "jiti": "~2.4.2",
     "typescript": ">=5.6.0"
   },
+  "release-plan": {
+    "semverIncrementAs": {
+      "major": "prerelease",
+      "minor": "prerelease",
+      "patch": "prerelease"
+    },
+    "semverIncrementTag": "alpha",
+    "publishTag": "alpha"
+  },
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/type-test/package.json b/packages/type-test/package.json
index 2e21a6da2..d70b636c5 100644
--- a/packages/type-test/package.json
+++ b/packages/type-test/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@glint/type-test",
-  "version": "1.4.0",
+  "version": "2.0.0-alpha.0",
   "repository": "typed-ember/glint",
   "description": "Tools for testing inferred types in Glint-enabled templates",
   "license": "MIT",
@@ -28,6 +28,15 @@
   "devDependencies": {
     "@glint/template": "workspace:*"
   },
+  "release-plan": {
+    "semverIncrementAs": {
+      "major": "prerelease",
+      "minor": "prerelease",
+      "patch": "prerelease"
+    },
+    "semverIncrementTag": "alpha",
+    "publishTag": "alpha"
+  },
   "publishConfig": {
     "access": "public"
   }
diff --git a/test-packages/test-utils/package.json b/test-packages/test-utils/package.json
index 6af2fca83..843dd9102 100644
--- a/test-packages/test-utils/package.json
+++ b/test-packages/test-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "glint-monorepo-test-utils",
-  "version": "1.4.0",
+  "version": "0.0.0",
   "private": true,
   "type": "module",
   "exports": {
diff --git a/test-packages/ts-ember-app/package.json b/test-packages/ts-ember-app/package.json
index 75326660d..5a06d64a4 100644
--- a/test-packages/ts-ember-app/package.json
+++ b/test-packages/ts-ember-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-ember-app",
-  "version": "1.4.0",
+  "version": "0.0.0",
   "private": true,
   "description": "Small description for ts-ember-app goes here",
   "repository": "",
diff --git a/test-packages/ts-ember-preview-types/package.json b/test-packages/ts-ember-preview-types/package.json
index 14f21f8a9..ff39e012f 100644
--- a/test-packages/ts-ember-preview-types/package.json
+++ b/test-packages/ts-ember-preview-types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-ember-preview-types",
-  "version": "1.4.0",
+  "version": "0.0.0",
   "private": true,
   "description": "Small description for ts-ember-preview-types goes here",
   "repository": "",
diff --git a/test-packages/ts-plugin-test-app/package.json b/test-packages/ts-plugin-test-app/package.json
index 2fa009900..27f623a63 100644
--- a/test-packages/ts-plugin-test-app/package.json
+++ b/test-packages/ts-plugin-test-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-plugin-test-app",
-  "version": "1.0.0",
+  "version": "0.0.0",
   "private": true,
   "main": "index.js",
   "scripts": {
diff --git a/test-packages/ts-template-imports-app/package.json b/test-packages/ts-template-imports-app/package.json
index d5aa9057d..d5065636d 100644
--- a/test-packages/ts-template-imports-app/package.json
+++ b/test-packages/ts-template-imports-app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-template-imports-app",
-  "version": "1.4.0",
+  "version": "0.0.0",
   "private": true,
   "license": "MIT",
   "scripts": {