diff --git a/dist/index.js b/dist/index.js
index 4e872ec8..f8abda07 100644
Binary files a/dist/index.js and b/dist/index.js differ
diff --git a/dist/index.js.map b/dist/index.js.map
index 4de56fb1..9d25c910 100644
Binary files a/dist/index.js.map and b/dist/index.js.map differ
diff --git a/src/model/image-tag.test.ts b/src/model/image-tag.test.ts
index 47adf65e..eb0db0f1 100644
--- a/src/model/image-tag.test.ts
+++ b/src/model/image-tag.test.ts
@@ -2,7 +2,7 @@ import ImageTag from './image-tag';
 
 describe('ImageTag', () => {
   const testImageParameters = {
-    editorVersion: '2099.9.f9f9',
+    editorVersion: '2099.9.9f9',
     targetPlatform: 'Test',
     builderPlatform: '',
     containerRegistryRepository: 'unityci/editor',
@@ -27,7 +27,7 @@ describe('ImageTag', () => {
       expect(image.builderPlatform).toStrictEqual(testImageParameters.builderPlatform);
     });
 
-    test.each(['2000.0.0f0', '2011.1.11f1'])('accepts %p version format', (version) => {
+    test.each(['2000.0.0f0', '2011.1.11f1', '6000.0.0f1'])('accepts %p version format', (version) => {
       expect(
         () =>
           new ImageTag({
@@ -50,23 +50,23 @@ describe('ImageTag', () => {
   describe('toString', () => {
     it('returns the correct version', () => {
       const image = new ImageTag({
-        editorVersion: '2099.1.1111',
+        editorVersion: '2099.1.1111f1',
         targetPlatform: testImageParameters.targetPlatform,
         containerRegistryRepository: 'unityci/editor',
         containerRegistryImageVersion: '3',
       });
       switch (process.platform) {
         case 'win32':
-          expect(image.toString()).toStrictEqual(`${defaults.image}:windows-2099.1.1111-3`);
+          expect(image.toString()).toStrictEqual(`${defaults.image}:windows-2099.1.1111f1-3`);
           break;
         case 'linux':
-          expect(image.toString()).toStrictEqual(`${defaults.image}:ubuntu-2099.1.1111-3`);
+          expect(image.toString()).toStrictEqual(`${defaults.image}:ubuntu-2099.1.1111f1-3`);
           break;
       }
     });
     it('returns customImage if given', () => {
       const image = new ImageTag({
-        editorVersion: '2099.1.1111',
+        editorVersion: '2099.1.1111f1',
         targetPlatform: testImageParameters.targetPlatform,
         customImage: `${defaults.image}:2099.1.1111@347598437689743986`,
         containerRegistryRepository: 'unityci/editor',
diff --git a/src/model/image-tag.ts b/src/model/image-tag.ts
index e32ccbdd..2b9fd910 100644
--- a/src/model/image-tag.ts
+++ b/src/model/image-tag.ts
@@ -42,7 +42,7 @@ class ImageTag {
   }
 
   static get versionPattern(): RegExp {
-    return /^(20\d{2}\.\d\.\w{3,4}|3)$/;
+    return /^\d+\.\d+\.\d+[a-z]\d+$/;
   }
 
   static get targetPlatformSuffixes() {