diff --git a/package-lock.json b/package-lock.json
index 2381843d..36197102 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,9 +21,12 @@
         "oxlint": "1.68.0",
         "plop": "4.0.5",
         "plop-pack-remove": "1.1.0",
-        "prettier": "3.8.3",
+        "prettier": "3.9.5",
         "typedoc": "0.28.19",
         "typescript": "6.0.3"
+      },
+      "engines": {
+        "node": ">=24"
       }
     },
     "node_modules/@asamuzakjp/css-color": {
@@ -8292,9 +8295,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.8.3.tgz",
-      "integrity": "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==",
+      "version": "3.9.5",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.5.tgz",
+      "integrity": "sha512-/FVl766LpUfB5vXgCYOYa0MeV/441Ia99AeICQIQFTY/Nw0roZwULcXpku5i1/m5kt/baz+s4Zogspd839HSMg==",
       "dev": true,
       "license": "MIT",
       "bin": {
@@ -10031,7 +10034,7 @@
         "typescript": "6.0.3"
       },
       "peerDependencies": {
-        "@johngw/stream-test": "^2.2.3"
+        "@johngw/stream-test": "^2.0.1"
       }
     },
     "packages/stream-assert/node_modules/balanced-match": {
@@ -10278,7 +10281,7 @@
         "web-streams-polyfill": "^4.3.0"
       },
       "peerDependencies": {
-        "@johngw/stream-test": "^2.2.3",
+        "@johngw/stream-test": "^2.0.1",
         "expect": "^30.2.0"
       }
     },
diff --git a/package.json b/package.json
index f0ff7182..2a0a08e0 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "oxlint": "1.68.0",
     "plop": "4.0.5",
     "plop-pack-remove": "1.1.0",
-    "prettier": "3.8.3",
+    "prettier": "3.9.5",
     "typedoc": "0.28.19",
     "typescript": "6.0.3"
   },