diff --git a/requirements.txt b/requirements.txt
index 30af81b..0f96cf9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,6 @@
 mbed-greentea>=0.2.24,<2.0
 beautifulsoup4>=4,<=4.6.3
 pyelftools>=0.24,<=0.25
-manifest-tool==1.5.2
 pycryptodome>=3.9.3,<4
 pyusb>=1.0.0,<2.0.0
 hidapi>=0.7.99,<0.8.0;platform_system!="Linux"