diff --git a/.github/actions/setup-rubygems/action.yml b/.github/actions/setup-rubygems/action.yml
index 5c43c2a..72caca0 100644
--- a/.github/actions/setup-rubygems/action.yml
+++ b/.github/actions/setup-rubygems/action.yml
@@ -13,6 +13,6 @@ runs:
         mkdir -p ~/.gem
         cat <<-YAML > ~/.gem/credentials
         ---
-        :rubygems_api_key: ${{ inputs.rubygems_api_key }}
+        :rubygems_api_key: ${{ inputs.api-key }}
         YAML
         chmod 0600 ~/.gem/credentials