diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 256680a..4fc62f0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -127,6 +127,7 @@ jobs:
             hw/application_fpga/application_fpga.bin
             hw/application_fpga/firmware.bin
           key: build-${{ github.run_number }}-${{ needs.build-bitstream.outputs.commit_sha }}-${{ github.run_attempt }}
+          fail-on-cache-miss: true
 
       - name: check matching hashes for firmware.bin & application_fpga.bin
         working-directory: hw/application_fpga