diff --git a/requirements.txt b/requirements.txt
index 498cc50..5045416 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ base58==2.1.1
 tonsdk==1.0.13
 httpx==0.25.0
 docker==7.0.0
+pycryptodome==3.20.0