diff --git a/Cargo.lock b/Cargo.lock
index 44dbabc..c9bf5c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,7 +29,7 @@ checksum = "7cd812cc2bc1d69d4764bd80df88b4317eaef9e773c75226407d9bc0876b211c"
 
 [[package]]
 name = "docker-update"
-version = "0.1.3"
+version = "1.0.0"
 dependencies = [
  "confy",
  "libc 1.0.0-alpha.4",
diff --git a/Cargo.toml b/Cargo.toml
index eee3657..494e795 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "docker-update"
-version = "0.1.3"
+version = "1.0.0"
 edition = "2024"
 authors = ['DragonSlayer_14']
 readme = "README.md"
diff --git a/README.md b/README.md
index 7660808..3bb2b04 100644
--- a/README.md
+++ b/README.md
@@ -130,10 +130,32 @@ zypper install docker-update
 
 ### 3. Arch Linux (`pacman`)
 
+### Installiere den GPG-Key für das Repository
+
+Key herunterladen:
+
+```bash
+wget https://gitea.creative-dragonslayer.de/api/packages/Linuxapps/arch/repository.key
+```
+
+ID des Keys anzeigen lassen:
+
+```bash
+gpg --show-keys repository.key
+```
+
+Key zu pacman hinzufügen und signieren:
+
+```
+pacman-key --add repository.key
+pacman-key --lsign-key {key id}
+```
+
+{key id} = ID aus dem vorherigen Schritt
+
 #### Stable (Produktiv)
 
 Füge das Repository in `/etc/pacman.conf` ein:
-
 ```ini
 [stable]
 SigLevel = Optional TrustAll