diff --git a/crates/bump-versions.nu b/crates/bump-versions.nu
index 92290c63f..67b2ca0e1 100644
--- a/crates/bump-versions.nu
+++ b/crates/bump-versions.nu
@@ -1,6 +1,6 @@
 cd ..
 
-let version = "0.1.1-alpha.3"
+let version = "0.1.1-alpha.4"
 
 open Cargo.toml | update workspace.package.version $version
                 | collect { save -f Cargo.toml }
diff --git a/crates/eko/katex-header.toml b/crates/eko/katex-header.html
similarity index 100%
rename from crates/eko/katex-header.toml
rename to crates/eko/katex-header.html
diff --git a/crates/ekore/katex-header.toml b/crates/ekore/katex-header.html
similarity index 100%
rename from crates/ekore/katex-header.toml
rename to crates/ekore/katex-header.html