diff --git a/builder-product.cfg b/builder-product.cfg
index 163c510..bed6bee 100644
--- a/builder-product.cfg
+++ b/builder-product.cfg
@@ -5,7 +5,7 @@ VENDOR="uwe-sieber.de"
 PN="uwesieber.usbdlm"
 NAME="USB Drive Letter Manager"
 DESCRIPTION="USB Drive Letter Manager - Laufwerksbuchstaben-Manager fuer Windows"
-VERSION="5.1.7"
+VERSION="5.2.1"
 RELEASE="3"
 PRIORITY="0"
 ADVICE=""
@@ -33,8 +33,8 @@ ICON_DL_INDEX=0
 
 OPSI_INI_SECTION[0]="X86"
 OPSI_INI_OPTION[0]="MsiId32"
-OPSI_INI_VALUE[0]="{B244B84F-594E-4DF7-9B6C-DD153BF3B22C}"
+OPSI_INI_VALUE[0]="{63CBB94E-27C8-4A0E-A48E-5B643351FC24}"
 
 OPSI_INI_SECTION[1]="X86_64"
 OPSI_INI_OPTION[1]="MsiId64"
-OPSI_INI_VALUE[1]="{6E0A2597-7D57-4786-B8F5-5791C0CD3FFB}"
+OPSI_INI_VALUE[1]="{EB0CE20E-8F93-43F7-B0D8-EA4D92008541}"
diff --git a/usbdlm_5.1.7_x64.msi.sha1sum b/usbdlm_5.1.7_x64.msi.sha1sum
deleted file mode 100644
index b134115..0000000
--- a/usbdlm_5.1.7_x64.msi.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-f82cf5f676ca8083712e3cc34f59398f5fbbd564  /home/mario/.opsi-dist-cache/uwesieber.usbdlm-5.1.7/X86_64/usbdlm_5.1.7_x64.msi
diff --git a/usbdlm_5.1.7_x86.msi.sha1sum b/usbdlm_5.1.7_x86.msi.sha1sum
deleted file mode 100644
index 1b68bbc..0000000
--- a/usbdlm_5.1.7_x86.msi.sha1sum
+++ /dev/null
@@ -1 +0,0 @@
-7c925174b24d7da9afc8a2a582575a83fe4dfe5c  /home/mario/.opsi-dist-cache/uwesieber.usbdlm-5.1.7/X86/usbdlm_5.1.7_x86.msi
diff --git a/usbdlm_5.2.1_x64.msi.sha1sum b/usbdlm_5.2.1_x64.msi.sha1sum
new file mode 100644
index 0000000..8282b21
--- /dev/null
+++ b/usbdlm_5.2.1_x64.msi.sha1sum
@@ -0,0 +1 @@
+7fdd6fbef27f5c92c0b6c5c9f9f72444d58fe9cf  /home/mario/.opsi-dist-cache/uwesieber.usbdlm-5.2.1/X86_64/usbdlm_5.2.1_x64.msi
diff --git a/usbdlm_5.2.1_x86.msi.sha1sum b/usbdlm_5.2.1_x86.msi.sha1sum
new file mode 100644
index 0000000..688e53a
--- /dev/null
+++ b/usbdlm_5.2.1_x86.msi.sha1sum
@@ -0,0 +1 @@
+521e52f305e27679db7731d2a05cb869532a12f1  /home/mario/.opsi-dist-cache/uwesieber.usbdlm-5.2.1/X86/usbdlm_5.2.1_x86.msi