diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 72d4ec6..8ef51f6 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,7 +3,7 @@
 {
 	"name": "Go",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/go:2-1.26-trixie",
+	"image": "mcr.microsoft.com/devcontainers/go:2-1.27-trixie",
 	"features": {
 		"ghcr.io/devcontainers/features/common-utils": {
 			"installOhMyZsh": true,
diff --git a/flake.nix b/flake.nix
index 6bb041e..0e59aad 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,7 @@
       in
       {
         packages = {
-          default = (pkgs.buildGoModule.override { go = pkgs.go_1_26; }) {
+          default = (pkgs.buildGoModule.override { go = pkgs.go_1_27; }) {
             pname = "datumctl";
             version = gitVersion;
 
@@ -80,7 +80,7 @@
 
         devShells.default = pkgs.mkShell {
           buildInputs = with pkgs; [
-            go_1_26
+            go_1_27
             gopls
             gotools
             go-task
diff --git a/go.mod b/go.mod
index dc2eb92..124b64d 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module go.datum.net/datumctl
 
 go 1.26.0
 
-toolchain go1.26.10
+toolchain go1.27.3
 
 require (
 	charm.land/bubbles/v2 v2.1.1