diff --git a/README.md b/README.md
index 7a7af81..6399418 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,27 @@
-# piwigo scan
+# Piwigo scan
 
 A collection of scripts to scan a file system folder for new images or videos which will be added to piwigo.
 
 Thumbnail are created during the scan to reduce loading times during browsing, where normally thumbnails would be created.
 
+# dependencies
+**Piwigo scan scripts**
+
+* imagemagick (thumbnail generation)
+* jpeginfo (thumbnail generation)
+* libimage-exiftool-perl (thumbnail generation)
+* libjson-perl (piwigo refresh)
+* liblwp-protocol-https-perl (piwigo refresh)
+
+**Piwigo or Piwigo Extensions**
+
+As a side note also Piwigo dependencies needed for my installation.
+
+* libimage-exiftool-perl (workaround to get GPS exif data)
+* mediainfo (Video playback)
+
+All of the dependencies are deb/rasp-bian package names you can install with `apt install <package name>`:
+
 # sources
 * [Thumbnail generation](https://odd-one-out.serek.eu/code/piwigo-thumbnail-generation-script/)
 * [Quick Sync](https://piwigo.org/ext/extension_view.php?eid=855)