diff --git a/README.md b/README.md
index 03d83eef..3be65565 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 From one side Ledger Desktop app connected to the Blockchain via the in-house written C++ library - LibCore and from the other it communicates to the Ledger Hardware Device to securely sign all transactions.
 
 <p align="center">
- <img src="/static/docs/architecture.jpg" width="550"/>
+ <img src="/static/docs/architecture.png" width="550"/>
 </p>
 
 ## Setup
diff --git a/static/docs/architecture.jpg b/static/docs/architecture.jpg
deleted file mode 100644
index 8046a9e4..00000000
Binary files a/static/docs/architecture.jpg and /dev/null differ
diff --git a/static/docs/architecture.png b/static/docs/architecture.png
new file mode 100644
index 00000000..06a057db
Binary files /dev/null and b/static/docs/architecture.png differ