diff --git a/dockerfiles/3.7/cpu/Dockerfile b/dockerfiles/3.7/cpu/Dockerfile
index a8b5cd2..4aae48c 100644
--- a/dockerfiles/3.7/cpu/Dockerfile
+++ b/dockerfiles/3.7/cpu/Dockerfile
@@ -1,6 +1,6 @@
 # DO NOT MODIFY MANUALLY
 # GENERATED FROM SCRIPTS
-FROM ubuntu:20.04@sha256:669e010b58baf5beb2836b253c1fd5768333f0d1dbcb834f7c07a4dc93f474be
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e
 
 # Avoid tzdata interactive action
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/dockerfiles/3.8/cpu/Dockerfile b/dockerfiles/3.8/cpu/Dockerfile
index 1943ecf..d918d68 100644
--- a/dockerfiles/3.8/cpu/Dockerfile
+++ b/dockerfiles/3.8/cpu/Dockerfile
@@ -1,6 +1,6 @@
 # DO NOT MODIFY MANUALLY
 # GENERATED FROM SCRIPTS
-FROM ubuntu:20.04@sha256:669e010b58baf5beb2836b253c1fd5768333f0d1dbcb834f7c07a4dc93f474be
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e
 
 # Avoid tzdata interactive action
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/dockerfiles/3.9-rc/cpu/Dockerfile b/dockerfiles/3.9-rc/cpu/Dockerfile
index cfdab06..2912b4e 100644
--- a/dockerfiles/3.9-rc/cpu/Dockerfile
+++ b/dockerfiles/3.9-rc/cpu/Dockerfile
@@ -1,6 +1,6 @@
 # DO NOT MODIFY MANUALLY
 # GENERATED FROM SCRIPTS
-FROM ubuntu:20.04@sha256:669e010b58baf5beb2836b253c1fd5768333f0d1dbcb834f7c07a4dc93f474be
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e
 
 # Avoid tzdata interactive action
 ENV DEBIAN_FRONTEND noninteractive