diff --git a/dockerfiles/3.7/cpu/Dockerfile b/dockerfiles/3.7/cpu/Dockerfile
index a8b5cd2..8e23ee1 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@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb
 
 # Avoid tzdata interactive action
 ENV DEBIAN_FRONTEND noninteractive
diff --git a/dockerfiles/3.8/cpu/Dockerfile b/dockerfiles/3.8/cpu/Dockerfile
index 1943ecf..070625f 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@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb
 
 # 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..3befb13 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@sha256:3131b4cc82a783df6c9df078f86e01819a13594b865c2cad47bd1bca2b7063bb
 
 # Avoid tzdata interactive action
 ENV DEBIAN_FRONTEND noninteractive