diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index e35a4a7..d66ab9b 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04@sha256:c35e29c9450151419d9448b0fd75374fec4fff364a27f176fb458d472dfc9e54 AS build
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e AS build
 
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
diff --git a/Dockerfile b/Dockerfile
index bc04d00..1b0fd01 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04@sha256:c35e29c9450151419d9448b0fd75374fec4fff364a27f176fb458d472dfc9e54 AS build
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e AS build
 
 ENV DEBIAN_FRONTEND=noninteractive
 
@@ -16,7 +16,7 @@ RUN \
     strip --strip-unneeded build/src/tfhttp
 
 
-FROM ubuntu:24.04@sha256:c35e29c9450151419d9448b0fd75374fec4fff364a27f176fb458d472dfc9e54
+FROM ubuntu:26.04@sha256:b7f48194d4d8b763a478a621cdc81c27be222ba2206ca3ca6bc42b49685f3d9e
 
 ENV DEBIAN_FRONTEND=noninteractive