diff --git a/ct/umlautadaptarr.sh b/ct/umlautadaptarr.sh
index 7ff93ba55..fbf12583d 100644
--- a/ct/umlautadaptarr.sh
+++ b/ct/umlautadaptarr.sh
@@ -29,6 +29,18 @@ function update_script() {
     exit
   fi
 
+  if grep -qs "packages.microsoft.com/debian/12" /etc/apt/sources.list.d/microsoft*.sources; then
+    msg_info "Migrating Microsoft Repository to Debian 13"
+    setup_deb822_repo \
+      "microsoft" \
+      "https://packages.microsoft.com/keys/microsoft-2025.asc" \
+      "https://packages.microsoft.com/debian/13/prod/" \
+      "trixie" \
+      "main"
+    rm -f /usr/share/keyrings/microsoft-prod.gpg
+    msg_ok "Migrated Microsoft Repository to Debian 13"
+  fi
+
   if check_for_gh_release "UmlautAdaptarr" "PCJones/Umlautadaptarr"; then
     msg_info "Stopping Service"
     systemctl stop umlautadaptarr
diff --git a/install/umlautadaptarr-install.sh b/install/umlautadaptarr-install.sh
index c65a1b12b..53d90756b 100644
--- a/install/umlautadaptarr-install.sh
+++ b/install/umlautadaptarr-install.sh
@@ -16,9 +16,9 @@ update_os
 msg_info "Installing Dependencies"
 setup_deb822_repo \
   "microsoft" \
-  "https://packages.microsoft.com/keys/microsoft.asc" \
-  "https://packages.microsoft.com/debian/12/prod/" \
-  "bookworm" \
+  "https://packages.microsoft.com/keys/microsoft-2025.asc" \
+  "https://packages.microsoft.com/debian/13/prod/" \
+  "trixie" \
   "main"
 $STD apt install -y \
   dotnet-sdk-8.0 \