diff --git a/containers/jug/dev.Dockerfile b/containers/jug/dev.Dockerfile
index 47188b94dc3e25b632023cb14b1699c564d7f865..518374445c0166bfde36d8b3c4f484703dadd940 100644
--- a/containers/jug/dev.Dockerfile
+++ b/containers/jug/dev.Dockerfile
@@ -242,6 +242,7 @@ RUN . /opt/spack/share/spack/setup-env.sh                               \
  && spack config --scope site add "config:source_cache:~/.spack/cache"  \
  && spack config --scope site add "config:binary_index_root:~/.spack"   \
  && spack config --scope site add "config:environments_root:~/.spack/env" \
+ && spack config --scope site add "config:suppress_gpg_warnings:true"   \
  && spack config blame config                                           \
  && spack config --scope site add "upstreams:eic-shell:install_tree:/opt/software" \
  && spack config blame upstreams