diff --git a/Library/Homebrew/test/utils/github_spec.rb b/Library/Homebrew/test/utils/github_spec.rb
index cda4db78e..8221b76b2 100644
--- a/Library/Homebrew/test/utils/github_spec.rb
+++ b/Library/Homebrew/test/utils/github_spec.rb
@@ -69,7 +69,7 @@ describe GitHub do
     it "fails to find a nonexistent workflow" do
       expect {
         described_class.get_artifact_url(
-          described_class.get_workflow_run("Homebrew", "homebrew-core", 1),
+          described_class.get_workflow_run("Homebrew", "homebrew-core", "1"),
         )
       }.to raise_error(/No matching check suite found/)
     end
@@ -77,14 +77,14 @@ describe GitHub do
     it "fails to find artifacts that don't exist" do
       expect {
         described_class.get_artifact_url(
-          described_class.get_workflow_run("Homebrew", "homebrew-core", 79751, artifact_name: "false_bottles"),
+          described_class.get_workflow_run("Homebrew", "homebrew-core", "79751", artifact_name: "false_bottles"),
         )
       }.to raise_error(/No artifact .+ was found/)
     end
 
     it "gets an artifact link" do
       url = described_class.get_artifact_url(
-        described_class.get_workflow_run("Homebrew", "homebrew-core", 79751, artifact_name: "bottles"),
+        described_class.get_workflow_run("Homebrew", "homebrew-core", "79751", artifact_name: "bottles"),
       )
       expect(url).to eq("https://api.github.com/repos/Homebrew/homebrew-core/actions/artifacts/70494047/zip")
     end
diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index 0ab38369b..d7b617fbc 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -305,7 +305,7 @@ module GitHub
     variables = {
       user: user,
       repo: repo,
-      pr:   pr,
+      pr:   pr.to_i,
     }
     result = API.open_graphql(query, variables: variables, scopes: scopes)