diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5792aaf..cf54e69 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
         env:
           BUNDLE_WITHOUT: release:development:rubocop
       - name: Build gem
-        run: gem build *.gemspec
+        run: gem build --strict --verbose *.gemspec
       - name: Publish gem to rubygems.org
         run: gem push *.gem
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 824f06b..c60baa8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
       - name: spec tests
         run: bundle exec rake test:spec
       - name: Build gem
-        run: gem build *.gemspec
+        run: gem build --strict --verbose *.gemspec
       # It seems some additonal setup of Docker may be needed for
       # the acceptance tests to work.
       # - name: Run acceptance tests