diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 268846d..f5441ec 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -34,6 +34,8 @@ jobs:
 
       - name: setup jrsonnet
         uses: Duologic/tanka-exporter-workflow/.github/actions/jrsonnet-install@main
+        with:
+          version: v0.5.0-pre96-test
 
       - name: Build xpkg
         run: "make -B build"