diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index abc8db9..06c26d4 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,3 +1,3 @@
 # The devcontainer's base image, pinned by digest. It lives in a Dockerfile so
 # Dependabot's docker ecosystem can bump the digest (#244).
-FROM mcr.microsoft.com/devcontainers/go:1.26-bookworm@sha256:c9e1308040e21b1d0c9aad1587cf8f1c24bddcfac8d6ce4134449a063266f559
+FROM mcr.microsoft.com/devcontainers/go:1.27-bookworm@sha256:75a84cbeca74acadcebf7df05777c77d6ade353a26c0a3ce55fc4b13bdad69cd
diff --git a/.devcontainer/labs/Dockerfile b/.devcontainer/labs/Dockerfile
index 028f1c9..27f0a9e 100644
--- a/.devcontainer/labs/Dockerfile
+++ b/.devcontainer/labs/Dockerfile
@@ -1,3 +1,3 @@
 # The labs devcontainer's base image, pinned by digest. It lives in a
 # Dockerfile so Dependabot's docker ecosystem can bump the digest (#244).
-FROM mcr.microsoft.com/devcontainers/go:1.26-bookworm@sha256:c9e1308040e21b1d0c9aad1587cf8f1c24bddcfac8d6ce4134449a063266f559
+FROM mcr.microsoft.com/devcontainers/go:1.27-bookworm@sha256:75a84cbeca74acadcebf7df05777c77d6ade353a26c0a3ce55fc4b13bdad69cd