diff --git a/packages/astro-loader-hashnode/package.json b/packages/astro-loader-hashnode/package.json
index 463d9d5..c52c83c 100644
--- a/packages/astro-loader-hashnode/package.json
+++ b/packages/astro-loader-hashnode/package.json
@@ -60,6 +60,6 @@
   },
   "homepage": "https://github.com/raisedadead/astro-loader-hashnode#readme",
   "dependencies": {
-    "zod": "3.25.76"
+    "zod": "4.2.1"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c558713..22e901a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -94,8 +94,8 @@ importers:
         specifier: ^5.0.0
         version: 5.10.0(@types/node@24.0.3)(jiti@2.4.2)(rollup@4.43.0)(typescript@5.9.3)(yaml@2.8.1)
       zod:
-        specifier: 3.25.76
-        version: 3.25.76
+        specifier: 4.2.1
+        version: 4.2.1
 
 packages:
 
@@ -3750,6 +3750,9 @@ packages:
   zod@3.25.76:
     resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
 
+  zod@4.2.1:
+    resolution: {integrity: sha512-0wZ1IRqGGhMP76gLqz8EyfBXKk0J2qo2+H3fi4mcUP/KtTocoX08nmIAHl1Z2kJIZbZee8KOpBCSNPRgauucjw==}
+
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
@@ -7866,4 +7869,6 @@ snapshots:
 
   zod@3.25.76: {}
 
+  zod@4.2.1: {}
+
   zwitch@2.0.4: {}