diff --git a/.forgejo/workflows/build-and-dockerise.yml b/.forgejo/workflows/build-and-dockerise.yml
index 4bb1a67..2e23937 100644
--- a/.forgejo/workflows/build-and-dockerise.yml
+++ b/.forgejo/workflows/build-and-dockerise.yml
@@ -35,9 +35,11 @@ jobs:
 
       - name: Install Yarn dependencies
         run: yarn install --frozen-lockfile # Use --frozen-lockfile for reproducible installs
+        shell: sh
 
       - name: Build project
         run: yarn build
+        shell: sh
 
       - name: Set up Docker Buildx
         id: buildx