diff --git a/sdks/python/container/py312/base_image_requirements.txt b/sdks/python/container/py312/base_image_requirements.txt
index d0948d43a9e6..813c42b98a8d 100644
--- a/sdks/python/container/py312/base_image_requirements.txt
+++ b/sdks/python/container/py312/base_image_requirements.txt
@@ -100,7 +100,7 @@ httplib2==0.31.2
 httpx==0.28.1
 hyperframe==6.1.0
 hypothesis==6.148.3
-idna==3.11
+idna==3.15
 importlib_metadata==8.7.1
 iniconfig==2.3.0
 jaraco.classes==3.4.0