diff --git a/presentations/04_TCPSocketsJava.pptx b/presentations/04_TCPSocketsJava.pptx
index 19ab33d24b7c6200f38a75bb4c57db5d3268381f..23ca879f0de227bc27de42d6138ed38860fa7b5c 100644
Binary files a/presentations/04_TCPSocketsJava.pptx and b/presentations/04_TCPSocketsJava.pptx differ