diff --git a/package-lock.json b/package-lock.json
index f649fe9..87d1810 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "name": "upgrading-ethereum-book",
       "version": "0.3.0",
       "dependencies": {
-        "astro": "^5.12.0",
+        "astro": "^5.12.1",
         "hast-util-select": "^6.0.4",
         "hast-util-to-string": "^3.0.1",
         "loader-utils": "^3.3.1",
@@ -1894,9 +1894,9 @@
       }
     },
     "node_modules/astro": {
-      "version": "5.12.0",
-      "resolved": "https://registry.npmjs.org/astro/-/astro-5.12.0.tgz",
-      "integrity": "sha512-Oov5JsMFHuUmuO+Nx6plfv3nQNK1Xl/8CgLvR8lBhZTjYnraxhuPX5COVAzbom+YLgwaDfK7KBd8zOEopRf9mg==",
+      "version": "5.12.1",
+      "resolved": "https://registry.npmjs.org/astro/-/astro-5.12.1.tgz",
+      "integrity": "sha512-/gH9cLIp6UNdbJO1FPBVN/Ea+1I9hJdQoLJKYUsXIRIfHcyF/3NCg0QVDJGw1oWkyQT6x6poQsnbgY9UXitjiw==",
       "license": "MIT",
       "dependencies": {
         "@astrojs/compiler": "^2.12.2",
diff --git a/package.json b/package.json
index b80d299..c402ca5 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "valid": "node --input-type=module -e 'import validateHtml from \"./bin/util/validate.js\"; validateHtml(\"dist/part2/building_blocks/ssz/index.html\")'"
   },
   "dependencies": {
-    "astro": "^5.12.0",
+    "astro": "^5.12.1",
     "hast-util-select": "^6.0.4",
     "hast-util-to-string": "^3.0.1",
     "loader-utils": "^3.3.1",