diff --git a/js/package.json b/js/package.json
index 90ba9c8..121e5a2 100644
--- a/js/package.json
+++ b/js/package.json
@@ -50,7 +50,7 @@
     "http-server": "^14.1.1",
     "nodemon": "^3.1.11",
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.7.4",
+    "prettier": "^3.8.1",
     "typescript": "^5.9.3"
   }
 }
diff --git a/js/pnpm-lock.yaml b/js/pnpm-lock.yaml
index 22fb80b..a6885a0 100644
--- a/js/pnpm-lock.yaml
+++ b/js/pnpm-lock.yaml
@@ -36,8 +36,8 @@ importers:
         specifier: ^4.1.5
         version: 4.1.5
       prettier:
-        specifier: ^3.7.4
-        version: 3.7.4
+        specifier: ^3.8.1
+        version: 3.8.1
       typescript:
         specifier: ^5.9.3
         version: 5.9.3
@@ -884,8 +884,8 @@ packages:
     resolution: {integrity: sha512-/+5VFTchJDoVj3bhoqi6UeymcD00DAwb1nJwamzPvHEszJ4FpF6SNNbUbOS8yI56qHzdV8eK0qEfOSiodkTdxg==}
     engines: {node: '>= 0.4'}
 
-  prettier@3.7.4:
-    resolution: {integrity: sha512-v6UNi1+3hSlVvv8fSaoUbggEM5VErKmmpGA7Pl3HF8V6uKY7rvClBOJlH6yNwQtfTueNkGVpOv/mtWL9L4bgRA==}
+  prettier@3.8.1:
+    resolution: {integrity: sha512-UOnG6LftzbdaHZcKoPFtOcCKztrQ57WkHDeRD9t/PTQtmT0NHSeWWepj6pS0z/N7+08BHFDQVUrfmfMRcZwbMg==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -1069,6 +1069,7 @@ packages:
   tar@6.2.1:
     resolution: {integrity: sha512-DZ4yORTwrbTj/7MZYq2w+/ZFdI6OZ/f9SFHR+71gIVUZhOQPHzVCLpvRnPgyaMpfWxxk/4ONva3GQSyNIKRv6A==}
     engines: {node: '>=10'}
+    deprecated: Old versions of tar are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exhorbitant rates) by contacting i@izs.me
 
   to-regex-range@5.0.1:
     resolution: {integrity: sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==}
@@ -2047,7 +2048,7 @@ snapshots:
 
   possible-typed-array-names@1.1.0: {}
 
-  prettier@3.7.4: {}
+  prettier@3.8.1: {}
 
   prr@1.0.1:
     optional: true