diff --git a/riotbuild/requirements.txt b/riotbuild/requirements.txt
index bf74886c..d693cf24 100644
--- a/riotbuild/requirements.txt
+++ b/riotbuild/requirements.txt
@@ -16,7 +16,7 @@ scapy>=2.4.3                # used by network tests
 ## mcuboot
 ecdsa==0.13.3
 pyasn1==0.4.2
-pycryptodome==3.11.0
+pycryptodome==3.19.1
 
 ## pkg/NanoPb
 protobuf==3.18.3