diff --git a/id3guess b/id3guess
index 92208a0..ca7cd32 100755
--- a/id3guess
+++ b/id3guess
@@ -1,5 +1,9 @@
 #!/usr/bin/env python3
 
+# Dependencies:
+# - python3 command
+# - id3tag command
+
 import os
 import sys
 import re
diff --git a/tag-mp3s.py b/tag-mp3s.py
index f41ad5b..b736e26 100755
--- a/tag-mp3s.py
+++ b/tag-mp3s.py
@@ -1,5 +1,9 @@
 #!/usr/bin/env python3
 
+# Dependencies:
+# - python3 command
+# - python3-mutagen package
+
 import getopt
 import glob
 import mutagen.id3