diff --git a/libbeat/tests/system/requirements.txt b/libbeat/tests/system/requirements.txt
index a131b0a8e06..f5636ae4b4c 100644
--- a/libbeat/tests/system/requirements.txt
+++ b/libbeat/tests/system/requirements.txt
@@ -25,7 +25,7 @@ enum34==1.1.6
 exceptiongroup==1.2.0
 googleapis-common-protos==1.56.4
 grpcio==1.60.0
-idna==2.6
+idna==3.7
 importlib-metadata==1.7.0
 iniconfig==1.0.1
 ipaddress==1.0.19