diff --git a/main.go b/main.go
index bee419f..e16faae 100644
--- a/main.go
+++ b/main.go
@@ -13,14 +13,13 @@ func main() {
 	var source_dir = flag.String("s", "", "Path to image folder (/srv/fwuploads-tmp/)")
 	var target_dir = flag.String("t", "", "Path to image folder in public (/srv/fwuploads/troisdorf)")
 	var branch = flag.String("b", "", "Branch to work with")
-	var version = flag.String("v", "", "which version should be released")
 	var dryrun = flag.Bool("d", false, "Dryrun, just show changes on filesystem")
 
 	flag.Parse()
 	sdir := *source_dir
 	tdir := *target_dir
 	br := *branch
-
+	version := readVersions(*branch)
 	var source_dir_branch string = sdir + br + "/images/"
 	var target_dir_branch string = tdir + br + "/images/"
 
@@ -32,7 +31,7 @@ func main() {
 				log.Println("Error generating Manifest file: ", err)
 			}
 		}
-		release_branch(*branch, source_dir_branch, target_dir_branch, *dryrun, *version)
+		release_branch(*branch, source_dir_branch, target_dir_branch, *dryrun, version)
 	}
 }
 
diff --git a/manifest.go b/manifest.go
index 4c52cc8..b1374e9 100644
--- a/manifest.go
+++ b/manifest.go
@@ -60,7 +60,7 @@ func split_filenames(files []fs.FileInfo, dir string) []Files {
 func build_manifest(files []Files, dir string) error {
 	// Datei zum Schreiben öffnen
 	release := strings.Split(files[0].Release, "-")
-	file, err := os.Create(dir + release[0] + ".manifest")
+	file, err := os.Create(dir + release[1] + ".manifest")
 	if err != nil {
 		fmt.Println("error creating manifest file")
 		return err
@@ -72,7 +72,7 @@ func build_manifest(files []Files, dir string) error {
 	// Datum im gewünschten Format formatieren
 	formatted := now.Format("2006-01-02 15:04:05-07:00")
 
-	branch_line := "BRANCH=" + release[0] + "\n"
+	branch_line := "BRANCH=" + release[1] + "\n"
 	date_line := "DATE=" + formatted + "\n"
 	prio_line := "PRIORITY=0" + "\n"
 
@@ -104,6 +104,6 @@ func build_manifest(files []Files, dir string) error {
 			return err
 		}
 	}
-	log.Println("Manifest file " + release[0] + ".manifest" + " generated")
+	log.Println("Manifest file " + release[1] + ".manifest" + " generated")
 	return err
 }
diff --git a/release.go b/release.go
index 0e84576..faef05e 100644
--- a/release.go
+++ b/release.go
@@ -1,7 +1,9 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -73,6 +75,25 @@ func GetGluonVersion(path string) string {
 	return ""
 }
 
-func check_Release() {
+func readVersions(branch string) string {
+	filePath := "release_state.json"
+	v, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		log.Fatalln("Error reading version JSON file!")
+	}
 
+	var data Versions
+	err = json.Unmarshal(v, &data)
+	if err != nil {
+		log.Fatalln("Error in JSON data!")
+	}
+	switch branch {
+	case "stable":
+		return data.Stable
+	case "beta":
+		return data.Beta
+	case "experimental":
+		return data.Experimental
+	}
+	return ""
 }
diff --git a/release_state.json b/release_state.json
new file mode 100644
index 0000000..eff0135
--- /dev/null
+++ b/release_state.json
@@ -0,0 +1,5 @@
+{
+    "stable": "v2022.1.4",
+    "beta": "v2022.1.5",
+    "experimental": "v2022.1.4"
+}
\ No newline at end of file
diff --git a/types.go b/types.go
index 5b76ea9..1a5c919 100644
--- a/types.go
+++ b/types.go
@@ -7,3 +7,9 @@ type Files struct {
 	Size     int64
 	Name     string
 }
+
+type Versions struct {
+	Stable       string `json:"stable"`
+	Beta         string `json:"beta"`
+	Experimental string `json:"experimental"`
+}