diff --git a/constraints/ci.txt b/constraints/ci.txt
index f912dd8..de916fd 100644
--- a/constraints/ci.txt
+++ b/constraints/ci.txt
@@ -22,7 +22,7 @@ filelock==3.32.2
 fqdn==1.5.1
 hypothesis==6.165.1
 id==1.6.1
-idna==3.18
+idna==3.19
 importlib_metadata==9.0.0
 iniconfig==2.3.0
 isoduration==20.11.0