diff --git a/.builds/nixos.yml b/.builds/nixos.yml
index 98db6a0..485e514 100644
--- a/.builds/nixos.yml
+++ b/.builds/nixos.yml
@@ -18,6 +18,11 @@ tasks:
       cd esv
       ./configure -c ldc2
       make
+  - build-ldc-1_30_0: |
+      nix build -o ldc-1.30.0 --accept-flake-config github:PetarKirov/dlang.nix#ldc-1_30_0
+      cd esv
+      ./configure -c $(readlink ../ldc-1.30.0)/bin/ldc2
+      make
   - install: |
       nix profile install ./esv
   - test: |