diff --git a/action-compress-pdf/compress-pdf.nemo_action b/action-compress-pdf/compress-pdf.nemo_action
index 035d967..8474f0e 100644
--- a/action-compress-pdf/compress-pdf.nemo_action
+++ b/action-compress-pdf/compress-pdf.nemo_action
@@ -11,3 +11,5 @@ Exec=<compress-pdf.sh %U>
 Mimetypes=application/pdf;
 Selection=notnone
 Icon-Name=add-files-to-archive
+
+Dependencies=gs
diff --git a/action-convert-davinci/davinci-audio.nemo_action b/action-convert-davinci/davinci-audio.nemo_action
index df9a90e..5113b4f 100644
--- a/action-convert-davinci/davinci-audio.nemo_action
+++ b/action-convert-davinci/davinci-audio.nemo_action
@@ -12,3 +12,5 @@ Exec=<davinci-audio.sh %F>
 Mimetypes=video/*;
 Selection=notnone
 Icon-Name=audio-speakers-symbolic
+
+Dependencies=ffmpeg
diff --git a/action-send-by-mail/send-by-mail.nemo_action b/action-send-by-mail/send-by-mail.nemo_action
index d9eb786..d8a93e7 100644
--- a/action-send-by-mail/send-by-mail.nemo_action
+++ b/action-send-by-mail/send-by-mail.nemo_action
@@ -180,3 +180,4 @@ Icon-Name=mail-attachment-symbolic
 Selection=NotNone
 Extensions=nodirs;
 Separator=/#/
+Dependencies=nautilus-sendto