The talk discusses the potential vulnerabilities that can come with using open source software and provides various tools for managing dependencies and updating them. The speaker introduces Maven and Gradle, IntelliJ IDEA, software composition analysis dashboards, and bots such as Dependabot, Renovate, and Snyk, all of which can generate automatic pull requests for updates. Additionally, the talk touches on migration tools, such as IntelliJ IDEA's migration refactoring, Error-prone, and OpenRewrite. However, the speaker cautions that while these tools can automate some updates, developers must still manage PRs and manually test and deploy updates.