diff --git a/.travis.yml b/.travis.yml
index 1fa01f7b781..802af69834d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ matrix:
         - os: linux
           sudo: false
           script:
-              - ./maintainers/scripts/travis-nox-review-pr.sh nixpkgs-verify nixpkgs-manual nixpkgs-tarball
+              - ./maintainers/scripts/travis-nox-review-pr.sh nixpkgs-verify nixpkgs-manual nixpkgs-tarball nixpkgs-unstable
               - ./maintainers/scripts/travis-nox-review-pr.sh nixos-options nixos-manual
         - os: linux
           sudo: required
diff --git a/maintainers/scripts/travis-nox-review-pr.sh b/maintainers/scripts/travis-nox-review-pr.sh
index 5fc932f10d0..649798ec76b 100755
--- a/maintainers/scripts/travis-nox-review-pr.sh
+++ b/maintainers/scripts/travis-nox-review-pr.sh
@@ -38,6 +38,12 @@ while test -n "$1"; do
             nix-build $TRAVIS_BUILD_DIR/pkgs/top-level/release.nix --attr tarball --show-trace
             ;;
 
+        nixpkgs-unstable)
+            echo "=== Checking nixpkgs unstable job"
+
+            nix-instantiate $TRAVIS_BUILD_DIR/pkgs/top-level/release.nix --attr unstable --show-trace
+            ;;
+
         nixpkgs-lint)
             echo "=== Checking nixpkgs lint"