diff --git a/external/.gitignore b/external/.gitignore
deleted file mode 100644
index 86d0cb2..0000000
--- a/external/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-# Ignore everything in this directory
-*
-# Except this file
-!.gitignore
\ No newline at end of file
diff --git a/external/requirements.txt b/external/requirements.txt
new file mode 100644
index 0000000..2cd8e04
--- /dev/null
+++ b/external/requirements.txt
@@ -0,0 +1 @@
+pefile==2021.9.3