diff --git a/Dockerfile b/Dockerfile
index 4fa74dd..e5a1a95 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ RUN go mod tidy
 RUN CGO_ENABLED=0 go build -o app .
 
 FROM alpine:3.14
-LABEL org.opencontainers.image.source=https://github.com/trstringer/manual-approval
+LABEL org.opencontainers.image.source=https://github.com/snskarora/manual-approval
 RUN apk update && apk add ca-certificates
 COPY --from=builder /var/app/app /var/app/app
 CMD ["/var/app/app"]
diff --git a/approval.go b/approval.go
index 2b7baa1..6391ad2 100644
--- a/approval.go
+++ b/approval.go
@@ -127,11 +127,13 @@ func (a *approvalEnvironment) SetActionOutputs(outputs map[string]string) (bool,
 	}
 
 	f, err := os.OpenFile(outputFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-
 	if err != nil {
 		return false, err
 	}
-	defer f.Close()
+
+    defer func() {
+        _ = f.Close() // Error explicitly ignored as there is nothing to handle if file close fails.
+    }()
 
 	var pairs []string
 
diff --git a/approval_test.go b/approval_test.go
index efddf7f..0a0d923 100644
--- a/approval_test.go
+++ b/approval_test.go
@@ -467,7 +467,7 @@ func TestSaveOutput(t *testing.T) {
 
 	for _, testCase := range testCases {
 		t.Run(testCase.name, func(t *testing.T) {
-			os.Setenv("GITHUB_OUTPUT", testCase.env_github_output)
+			t.Setenv("GITHUB_OUTPUT", testCase.env_github_output)
 			a := approvalEnvironment{
 				client:              nil,
 				repoFullName:        "",