diff --git a/sass/main.scss b/sass/main.scss
index 41933e5..b9f08a3 100644
--- a/sass/main.scss
+++ b/sass/main.scss
@@ -30,7 +30,7 @@
 
 @font-face {
     src: local('Source Serif'),
-        url('fonts/SourceSerif4Variable-Roman.otf.woff2') format("woff2");
+        url('fonts/SourceSerif4Variable-Roman.ttf.woff2') format("woff2");
     /* Copyright 2014 - 2023 Adobe (http://www.adobe.com/), with Reserved Font Name ‘Source’.adobe.com/). Licensed under the SIL Open Font License, Version 1.1. More information available at: http://scripts.sil.org/OFL */
     font-family: 'Source Serif';
     font-display: swap;
diff --git a/static/fonts/SourceSerif4Variable-Roman.otf.woff2 b/static/fonts/SourceSerif4Variable-Roman.otf.woff2
deleted file mode 100644
index d796973..0000000
Binary files a/static/fonts/SourceSerif4Variable-Roman.otf.woff2 and /dev/null differ
diff --git a/static/fonts/SourceSerif4Variable-Roman.ttf.woff b/static/fonts/SourceSerif4Variable-Roman.ttf.woff
new file mode 100644
index 0000000..13ec3f7
Binary files /dev/null and b/static/fonts/SourceSerif4Variable-Roman.ttf.woff differ