diff --git a/requirements.txt b/requirements.txt
index 80f1253..379a3a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@
 # Usage: pip install -r requirements.txt
 
 # Base ----------------------------------------
+fire>=0.4.0
 matplotlib>=3.2.2
 numpy>=1.18.5
 opencv-python>=4.1.1