diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b449fc..c8babf6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ permissions:
   packages: write
 
 env:
-  DOCKER_REPO: ghcr.io/discourse/prometheus_exporter
+  DOCKER_REPO: ghcr.io/${{ github.repository_owner }}/prometheus_exporter
 
 jobs:
   build:
@@ -58,7 +58,7 @@ jobs:
 
       - name: Release gem
         id: release
-        uses: discourse/publish-rubygems-action@v2
+        uses: discourse/publish-rubygems-action@v3
         env:
           RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
           GIT_EMAIL: team@discourse.org
diff --git a/test/middleware_test.rb b/test/middleware_test.rb
index 69826cc..734a608 100644
--- a/test/middleware_test.rb
+++ b/test/middleware_test.rb
@@ -168,7 +168,7 @@ def test_patch_called_with_prepend_instrument
     Object.stub_const(:Dalli, Module) do
       ::Dalli.stub_const(:Client) do
         mock = Minitest::Mock.new
-        mock.expect :call, nil, [Dalli::Client, Array, :memcache, { instrument: :prepend }]
+        mock.expect :call, nil, [Dalli::Client, Array, :memcache], instrument: :prepend
         ::PrometheusExporter::Instrumentation::MethodProfiler.stub(:patch, mock) do
           configure_middleware(instrument: :prepend)
         end
@@ -219,7 +219,7 @@ def test_patch_called_with_alias_method_instrument
     Object.stub_const(:Dalli, Module) do
       ::Dalli.stub_const(:Client) do
         mock = Minitest::Mock.new
-        mock.expect :call, nil, [Dalli::Client, Array, :memcache, { instrument: :alias_method }]
+        mock.expect :call, nil, [Dalli::Client, Array, :memcache], instrument: :alias_method
         ::PrometheusExporter::Instrumentation::MethodProfiler.stub(:patch, mock) do
           configure_middleware(instrument: :alias_method)
         end