diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index fb48776c..25a7d5e5 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.event.pull_request.head.repo.full_name == github.repository
     runs-on: self-hosted
     steps:
-    - uses: lkstrp/pypsa-validator@v0.1.3
+    - uses: lkstrp/pypsa-validator@v0.1.4
       with:
         step: run-self-hosted-validation
         env_file: environment.yaml
@@ -43,6 +43,7 @@ jobs:
           ~/${{ github.repository }}/feature/.snakemake/
         if-no-files-found: error
         retention-days: 90
+        include-hidden-files: true
     - uses: actions/upload-artifact@v4
       with:
         name: results (main branch)
@@ -50,6 +51,7 @@ jobs:
           ~/${{ github.repository }}/main/results
         if-no-files-found: error
         retention-days: 90
+        include-hidden-files: true
     - uses: actions/upload-artifact@v4
       with:
         name: results (feature branch)
@@ -57,6 +59,7 @@ jobs:
           ~/${{ github.repository }}/feature/results
         if-no-files-found: error
         retention-days: 90
+        include-hidden-files: true
 
   comment-on-pr:
     name: Comment on pull request
@@ -64,7 +67,7 @@ jobs:
     needs: upload-artifacts
     runs-on: ubuntu-latest
     steps:
-    - uses: lkstrp/pypsa-validator@v0.1.3
+    - uses: lkstrp/pypsa-validator@v0.1.4
       with:
         step: create-comment
         snakemake_config: config/config.yaml