diff --git a/responsive-web-developer/404-not-found/pnpm-lock.yaml b/responsive-web-developer/404-not-found/pnpm-lock.yaml
index 3b9dc8f..e0fb951 100644
--- a/responsive-web-developer/404-not-found/pnpm-lock.yaml
+++ b/responsive-web-developer/404-not-found/pnpm-lock.yaml
@@ -1,4 +1,4 @@
-lockfileVersion: '6.1'
+lockfileVersion: '6.0'
 
 settings:
   autoInstallPeers: true
@@ -612,8 +612,8 @@ packages:
     engines: {node: '>=8.6'}
     dev: true
 
-  /postcss@8.4.24:
-    resolution: {integrity: sha512-M0RzbcI0sO/XJNucsGjvWU9ERWxb/ytp1w6dKtxTKgixdtQDq4rmx/g8W1hnaheq9jgwL/oyEdH5Bc4WwJKMqg==}
+  /postcss@8.4.31:
+    resolution: {integrity: sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==}
     engines: {node: ^10 || ^12 || >=14}
     dependencies:
       nanoid: 3.3.6
@@ -838,7 +838,7 @@ packages:
         optional: true
     dependencies:
       esbuild: 0.17.19
-      postcss: 8.4.24
+      postcss: 8.4.31
       rollup: 3.25.3
     optionalDependencies:
       fsevents: 2.3.2