diff --git a/Python-Scripts/installation-instructions.md b/Python-Scripts/installation-instructions.md
index 1e0866d..a51fcb2 100644
--- a/Python-Scripts/installation-instructions.md
+++ b/Python-Scripts/installation-instructions.md
@@ -6,4 +6,5 @@
   3. prettytable
   4. argparse
   5. slack_sdk
+  6. pyinstaller