diff --git a/.github/workflows/run.yml b/.github/workflows/run.yml
index 3b48347b1..dbe196371 100644
--- a/.github/workflows/run.yml
+++ b/.github/workflows/run.yml
@@ -26,7 +26,7 @@ jobs:
 
           spack mirror add ci-buildcache oci://ghcr.io/llnl/benchpark-binary-cache
           spack config add "packages:all:target:[x86_64_v3]"
-          export SPACK_INSTALL_FLAGS=--no-check-signature
+          ramble config add "config:spack:flags:install:'--reuse --no-check-signature'"
 
           env | grep SPACK >> "$GITHUB_ENV"
           env | grep RAMBLE >> "$GITHUB_ENV"