diff --git a/data/23/events/utxo/index.toml b/data/23/events/utxo/index.toml
index 6faf804..f940082b 100644
--- a/data/23/events/utxo/index.toml
+++ b/data/23/events/utxo/index.toml
@@ -14,7 +14,7 @@ attendees = 1200
 description = '''
 Open community conference focused on cryptocurrencies and blockchain for a wide audience (mostly in Czech language).
 '''
-logo = "logo.jpg"
+logo = "logo.png"
 
 [cfp]
 link = "https://cfp.utxo.cz/23/cfp"
diff --git a/data/23/events/utxo/logo.jpg b/data/23/events/utxo/logo.jpg
deleted file mode 100644
index 40f516a..0000000
Binary files a/data/23/events/utxo/logo.jpg and /dev/null differ
diff --git a/data/23/events/utxo/logo.png b/data/23/events/utxo/logo.png
new file mode 100644
index 0000000..87b4ddf
Binary files /dev/null and b/data/23/events/utxo/logo.png differ