diff --git a/requirements.txt b/requirements.txt
index f2f9bd2..aed0f02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pycryptodome==3.7.3
+pycryptodome==3.19.1
 termcolor==1.1.0
 pyserial==3.4
 ecdsa==0.13.3
diff --git a/setup.py b/setup.py
index 3b1348d..8490637 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     packages=find_packages(),
     include_package_data=True,
     install_requires=[
-        "pycryptodome==3.7.3",
+        "pycryptodome==3.19.1",
         "termcolor==1.1.0",
         "pyserial==3.4",
         "ecdsa==0.13.3",