diff --git a/requirements.txt b/requirements.txt
index e8a6f9a462..747d9e2600 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,3 +26,8 @@ cmsis-pack-manager>=0.2.3,<0.3.0
 pywin32==224;platform_system=='Windows'
 wmi==1.4.9;platform_system=='Windows'
 psutil==5.6.2
+cryptography>=2.4.2
+Click>=7.0
+intelhex>=2.2.1
+jwcrypto>=0.6.0
+pathlib>=19.1.1