diff --git a/.drone.yml b/.drone.yml
index a4dc3c6..811908c 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -31,6 +31,10 @@ steps:
   commands:
   - nix build -v '.#nixosConfigurations.macintosh.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
 
+- name: Build lambda
+  commands:
+  - nix build -v '.#nixosConfigurations.lambda.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
+
 
 trigger:
   branch:
@@ -88,6 +92,9 @@ steps:
   - mv result newton-old
   - nix build -v '.#nixosConfigurations.macintosh.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
   - mv result macintosh-old
+  - nix build -v '.#nixosConfigurations.lambda.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
+  - mv result lambda-old
+
 
 
 - name: flake update
@@ -123,12 +130,20 @@ steps:
   - nix build -v '.#nixosConfigurations.macintosh.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
   - mv result macintosh-new
 
+- name: Build lambda
+  commands:
+  - nix build -v '.#nixosConfigurations.lambda.config.system.build.toplevel' --option binary-caches "https://cache.nixos.org"
+  - mv result lambda-new
+
+
 
 - name: Print report
   commands:
   - echo "lisa:" && nix store diff-closures $(readlink -f lisa-old) $(readlink -f lisa-new)
   - echo "newton:" && nix store diff-closures $(readlink -f newton-old) $(readlink -f newton-new)
   - echo "macintosh:" && nix store diff-closures $(readlink -f macintosh-old) $(readlink -f macintosh-new)
+  - echo "lambda:" && nix store diff-closures $(readlink -f lambda-old) $(readlink -f lambda-new)
+
 
 
 - name: Push update