diff --git a/tarok/README.md b/tarok/README.md
index 1433491..46f8f6f 100644
--- a/tarok/README.md
+++ b/tarok/README.md
@@ -10,7 +10,7 @@ Built with Flutter.
 - Geoff-Bremner-Audio - CC0 - https://freesound.org/people/Geoff-Bremner-Audio/sounds/682449/
 
 #### Work in the UI
-- annabloom - CC Attribution NonCommercial 4.0 License - https://freesound.org/people/annabloom/sounds/219069/
+- el_boss - CC0 - https://freesound.org/people/el_boss/sounds/677861/
 
 #### Notification sounds
 - rhodesmas - CC Attribution 3.0 Unported - https://freesound.org/people/rhodesmas/sounds/342755/
diff --git a/tarok/assets/zvoki/click1.ogg b/tarok/assets/zvoki/click1.ogg
new file mode 100644
index 0000000..9ac51ee
Binary files /dev/null and b/tarok/assets/zvoki/click1.ogg differ
diff --git a/tarok/assets/zvoki/click1.wav b/tarok/assets/zvoki/click1.wav
deleted file mode 100644
index 5385c87..0000000
Binary files a/tarok/assets/zvoki/click1.wav and /dev/null differ
diff --git a/tarok/assets/zvoki/karta2.mp3 b/tarok/assets/zvoki/karta2.mp3
deleted file mode 100644
index 20e5e14..0000000
Binary files a/tarok/assets/zvoki/karta2.mp3 and /dev/null differ
diff --git a/tarok/assets/zvoki/karta2.ogg b/tarok/assets/zvoki/karta2.ogg
new file mode 100644
index 0000000..7aa71e2
Binary files /dev/null and b/tarok/assets/zvoki/karta2.ogg differ
diff --git a/tarok/assets/zvoki/karta3.mp3 b/tarok/assets/zvoki/karta3.mp3
deleted file mode 100644
index 956e803..0000000
Binary files a/tarok/assets/zvoki/karta3.mp3 and /dev/null differ
diff --git a/tarok/assets/zvoki/karta3.ogg b/tarok/assets/zvoki/karta3.ogg
new file mode 100644
index 0000000..38c7258
Binary files /dev/null and b/tarok/assets/zvoki/karta3.ogg differ
diff --git a/tarok/assets/zvoki/karta4.mp3 b/tarok/assets/zvoki/karta4.mp3
deleted file mode 100644
index f7c5317..0000000
Binary files a/tarok/assets/zvoki/karta4.mp3 and /dev/null differ
diff --git a/tarok/assets/zvoki/karta4.ogg b/tarok/assets/zvoki/karta4.ogg
new file mode 100644
index 0000000..11f9741
Binary files /dev/null and b/tarok/assets/zvoki/karta4.ogg differ
diff --git a/tarok/assets/zvoki/notification1.mp3 b/tarok/assets/zvoki/notification1.mp3
deleted file mode 100644
index 4dd3e19..0000000
Binary files a/tarok/assets/zvoki/notification1.mp3 and /dev/null differ
diff --git a/tarok/assets/zvoki/notification1.ogg b/tarok/assets/zvoki/notification1.ogg
new file mode 100644
index 0000000..33c2b55
Binary files /dev/null and b/tarok/assets/zvoki/notification1.ogg differ
diff --git a/tarok/assets/zvoki/notification1.wav b/tarok/assets/zvoki/notification1.wav
deleted file mode 100644
index 28d596b..0000000
Binary files a/tarok/assets/zvoki/notification1.wav and /dev/null differ
diff --git a/tarok/lib/sounds.dart b/tarok/lib/sounds.dart
index 0f44105..8bf2579 100644
--- a/tarok/lib/sounds.dart
+++ b/tarok/lib/sounds.dart
@@ -30,7 +30,7 @@ class Sounds {
     if (r == 0) {
       playable = Media('asset:///assets/zvoki/karta.ogg');
     } else {
-      playable = Media('asset:///assets/zvoki/karta2.mp3');
+      playable = Media('asset:///assets/zvoki/karta2.ogg');
     }
     await player.open(playable);
   }
@@ -39,7 +39,7 @@ class Sounds {
     if (!SOUNDS_ENABLED) {
       return;
     }
-    final playable = Media('asset:///assets/zvoki/click1.wav');
+    final playable = Media('asset:///assets/zvoki/click1.ogg');
     await player.open(playable);
   }
 
@@ -47,7 +47,7 @@ class Sounds {
     if (!SOUNDS_ENABLED) {
       return;
     }
-    final playable = Media('asset:///assets/zvoki/notification1.mp3');
+    final playable = Media('asset:///assets/zvoki/notification1.ogg');
     await player.open(playable);
   }
 }