diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f18cb76..43d9e62 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ ubuntu-latest ]
         # FIXME macos garbage currently collect also nix-shell that runs the test
         #os: [ ubuntu-latest, macos-latest ]
-        variants: [ stable, unstable, bash4 ]
+        variants: [ stable, latest, bash4 ]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
diff --git a/flake.nix b/flake.nix
index 64949fc..b1cdfb4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,8 +37,8 @@
             test-runner-stable = pkgs.callPackage ./test-runner.nix {
               nixVersion = "stable";
             };
-            test-runner-unstable = pkgs.callPackage ./test-runner.nix {
-              nixVersion = "unstable";
+            test-runner-latest = pkgs.callPackage ./test-runner.nix {
+              nixVersion = "latest";
             };
           };