diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c416721..ad7cd32 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,8 +1,5 @@
 name: Precomp NIFs
 
-env:
-  NIF_DIRECTORY: "native/comrak_nif"
-
 on:
   push:
     branches:
@@ -71,7 +68,7 @@ jobs:
 
     - name: Build the project
       id: build-crate
-      uses: philss/rustler-precompiled-action@v1.0.1
+      uses: philss/rustler-precompiled-action@v1.1.0
       with:
         project-name: comrak_nif
         project-version: ${{ env.PROJECT_VERSION }}
diff --git a/native/comrak_nif/src/inkjet_adapter.rs b/native/comrak_nif/src/inkjet_adapter.rs
index d87a723..c43a527 100644
--- a/native/comrak_nif/src/inkjet_adapter.rs
+++ b/native/comrak_nif/src/inkjet_adapter.rs
@@ -44,9 +44,11 @@ impl<'a> SyntaxHighlighterAdapter for InkjetAdapter<'a> {
                     None => None,
                 },
             )
+            // TODO: fallback to plain text
             .expect("expected to generate the syntax highlight events");
 
         for event in highlights {
+            // TODO: fallback to plain text
             let event = event.expect("expected a highlight event");
             let inner_highlights = autumn::inner_highlights(source, event, self.theme);
             write!(output, "{}", inner_highlights)?
diff --git a/native/comrak_nif/vendor/autumn/src/lib.rs b/native/comrak_nif/vendor/autumn/src/lib.rs
index 570e55f..354b396 100644
--- a/native/comrak_nif/vendor/autumn/src/lib.rs
+++ b/native/comrak_nif/vendor/autumn/src/lib.rs
@@ -25,6 +25,7 @@ pub fn highlight_source_code(
                 None => None,
             },
         )
+        // TODO: fallback to plain text
         .expect("expected to generate the syntax highlight events");
 
     output.push_str(
@@ -37,6 +38,7 @@ pub fn highlight_source_code(
     );
 
     for event in highlights {
+        // TODO: fallback to plain text
         let event = event.expect("expected a highlight event");
         let highlight = inner_highlights(source, event, theme);
         output.push_str(highlight.as_str())
@@ -97,7 +99,8 @@ pub fn inner_highlights(source: &str, event: HighlightEvent, theme: &Theme) -> S
         HighlightEvent::Source { start, end } => {
             let span = source
                 .get(start..end)
-                .expect("Source bounds should be in bounds!");
+                // TODO: fallback to plain text
+                .expect("source bounds should be in bounds!");
             let span = v_htmlescape::escape(span).to_string();
             output.push_str(span.as_str())
         }