diff --git a/astro.config.mjs b/astro.config.mjs
index a52d488..c0212b7 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -16,6 +16,12 @@ export default defineConfig({
       components: {
         Header: "./src/components/Header.astro",
       },
+      expressiveCode: {
+        styleOverrides: {
+          borderColor: "transparent",
+          borderRadius: "var(--border-radius)",
+        },
+      },
       social: {
         github: "https://github.com/interledger/paymentpointers.org",
       },
diff --git a/package.json b/package.json
index fd506c8..013edb6 100644
--- a/package.json
+++ b/package.json
@@ -8,9 +8,9 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.11.2",
-    "@interledger/docs-design-system": "^0.1.2",
-    "astro": "latest",
+    "@astrojs/starlight": "^0.13.1",
+    "@interledger/docs-design-system": "^0.1.3",
+    "astro": "^3.6.3",
     "sharp": "^0.32.6"
   }
 }