diff --git a/requirements.txt b/requirements.txt
index de96149..50320dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ Keras-Applications==1.0.8
 Keras-Preprocessing==1.1.0
 kiwisolver==1.1.0
 libarchive-c==2.8
-lief==0.9.0
+lief==0.12.1
 Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==3.1.1