diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..896cdee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env/
+__pycache__/
diff --git a/cryptarbitrage_icon_96px.ico b/cryptarbitrage_icon_96px.ico
deleted file mode 100644
index a2be92b..0000000
Binary files a/cryptarbitrage_icon_96px.ico and /dev/null differ
diff --git a/cryptarbitrage_icon_96px.png b/cryptarbitrage_icon_96px.png
new file mode 100644
index 0000000..038f7c2
Binary files /dev/null and b/cryptarbitrage_icon_96px.png differ
diff --git a/main.py b/main.py
index acb0a2d..f28cb45 100644
--- a/main.py
+++ b/main.py
@@ -15,7 +15,8 @@
 # tkinter set up
 root = Tk()
 root.title("Deribit Max Pain - Cryptarbitrage")
-root.iconbitmap('cryptarbitrage_icon_96px.ico')
+icon = PhotoImage(file='cryptarbitrage_icon_96px.png')
+root.iconphoto(True, icon)
 root.minsize(400, 200)
 
 # details frame