diff --git a/internal/logging/crash.go b/internal/logging/crash.go
index 15f3ea3f..27da9e1b 100644
--- a/internal/logging/crash.go
+++ b/internal/logging/crash.go
@@ -37,6 +37,7 @@ func DumpStackTrace(logsPath string, sessionID SessionID, appName AppName) crash
 		if err != nil {
 			return err
 		}
+		defer f.Close()
 
 		if _, err := f.WriteString(fmt.Sprintf("Recover: %v", r)); err != nil {
 			return err