diff --git a/shell.nix b/shell.nix
index 2ba02f22..37f100d3 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,5 @@
-# https://status.nixos.org
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/a62844b302507c7531ad68a86cb7aa54704c9cb4.tar.gz") {} }:
+# https://status.nixos.org (nixpkgs-unstable)
+{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/e58a7747db96c23b8a977e7c1bbfc5753b81b6fa.tar.gz") {} }:
 
 let
   python-packages = pkgs.python3.withPackages (p: with p; [
diff --git a/test/go.mod b/test/go.mod
index e31abaf0..dc660edf 100644
--- a/test/go.mod
+++ b/test/go.mod
@@ -1,6 +1,6 @@
 module git.khuedoan.com/ops/homelab
 
-go 1.18
+go 1.19
 
 require github.com/gruntwork-io/terratest v0.40.18
 
diff --git a/test/tools_test.go b/test/tools_test.go
index ca34a55c..f4f1df40 100644
--- a/test/tools_test.go
+++ b/test/tools_test.go
@@ -21,9 +21,9 @@ func TestToolsVersions(t *testing.T) {
 		{"ansible", "--version", ">= 2.12.6, < 3.0.0"},
 		{"docker", "--version", ">= 20.10.17, < 21.0.0"},
 		{"git", "--version", ">= 2.37.1, < 3.0.0"},
-		{"go", "version", ">= 1.18.5, < 1.19.0"},
+		{"go", "version", ">= 1.19.0, < 1.20.0"},
 		{"helm", "version", ">= 3.9.4, < 4.0.0"},
-		// {"kubectl", "version", ">= 1.23.11, < 1.25.0"}, // https://kubernetes.io/releases/version-skew-policy/#kubectl
+		{"kubectl", "version", ">= 1.25.0, < 1.27.0"}, // https://kubernetes.io/releases/version-skew-policy/#kubectl
 		{"kustomize", "version", ">= 4.5.4, < 5.0.0"},
 		{"pre-commit", "--version", ">= 2.20.0, < 3.0.0"},
 		{"terraform", "--version", ">= 1.3.1, < 1.4.0"},