diff --git a/.changeset/list-hunk-diff-context.md b/.changeset/list-hunk-diff-context.md
new file mode 100644
index 000000000..a845151cc
--- /dev/null
+++ b/.changeset/list-hunk-diff-context.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/website/src/data/extensions.ts b/website/src/data/extensions.ts
index 92fc3323f..35dabc4ba 100644
--- a/website/src/data/extensions.ts
+++ b/website/src/data/extensions.ts
@@ -90,6 +90,15 @@ export const EXTENSION_CATALOG: readonly ExtensionListing[] = [
     version: "0.1.0",
     apiVersion: 6,
   },
+  {
+    repo: "astwys/hunk-diff-context",
+    name: "hunk-diff-context",
+    summary:
+      "Pins the selected file's complete diff in a sidebar pane, so it stays visible beside the review.",
+    categories: ["Pane", "Command"],
+    version: "0.1.0",
+    apiVersion: 6,
+  },
   {
     repo: "astwys/hunk-exclude-files",
     name: "hunk-exclude-files",