diff --git a/20-executors/getflags/requirements.txt b/20-executors/getflags/requirements.txt
index 9b1faeb..df34d3c 100644
--- a/20-executors/getflags/requirements.txt
+++ b/20-executors/getflags/requirements.txt
@@ -4,7 +4,7 @@ charset-normalizer==2.0.6
 h11==0.16.0
 httpcore==0.13.7
 httpx==1.0.0b0
-idna==3.7
+idna==3.15
 rfc3986==1.5.0
 sniffio==1.2.0
 tqdm==4.66.3