diff --git a/src/command/start.ts b/src/command/start.ts
index 53d738b..c9afe0f 100644
--- a/src/command/start.ts
+++ b/src/command/start.ts
@@ -105,7 +105,7 @@ export class Start extends RootCommand implements LeafCommand {
     this.beeVersion = stripCommit(this.beeVersion)
     const supportedBeeVersion = PackageJson.engines.supportedBee
 
-    if (!semver.satisfies(this.beeVersion, supportedBeeVersion)) {
+    if (!semver.satisfies(this.beeVersion, supportedBeeVersion, { includePrerelease: true })) {
       throw new Error(
         `Unsupported Bee version!\nThis version of Bee Factory supports versions: ${supportedBeeVersion}, but you have requested start of ${this.beeVersion}`,
       )
diff --git a/src/utils/config-sources.ts b/src/utils/config-sources.ts
index 5d1b939..9eb6ddc 100644
--- a/src/utils/config-sources.ts
+++ b/src/utils/config-sources.ts
@@ -3,7 +3,7 @@ import * as path from 'path'
 import { promisify } from 'util'
 
 const readFile = promisify(readFileCb)
-const VERSION_REGEX = /^\d\.\d\.\d(-\w+)*$/
+const VERSION_REGEX = /^\d+\.\d+\.\d+(-\w+)*$/
 
 export function stripCommit(version: string): string {
   if (version === 'latest') {