diff --git a/package.json b/package.json
index f164cfb3..2b70fbad 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@rushstack/eslint-plugin": "^0.16.0",
     "@rushstack/eslint-plugin-packlets": "^0.8.1",
     "@rushstack/eslint-plugin-security": "^0.8.0",
-    "@types/eslint": "^8.44.7",
+    "@types/eslint": "^9.0.0",
     "@typescript-eslint/eslint-plugin": "^8.6.0",
     "@typescript-eslint/parser": "^8.6.0",
     "eslint-config-prettier": "^10.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 93a66cdd..91b58e50 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,8 +27,8 @@ importers:
         specifier: ^0.8.0
         version: 0.8.3(eslint@8.57.1)(typescript@5.7.3)
       '@types/eslint':
-        specifier: ^8.44.7
-        version: 8.56.12
+        specifier: ^9.0.0
+        version: 9.6.1
       '@typescript-eslint/eslint-plugin':
         specifier: ^8.6.0
         version: 8.21.0(@typescript-eslint/parser@8.21.0(eslint@8.57.1)(typescript@5.7.3))(eslint@8.57.1)(typescript@5.7.3)
@@ -64,7 +64,7 @@ importers:
         version: 5.1.0(eslint@8.57.1)
       eslint-plugin-prettier:
         specifier: ^5.1.3
-        version: 5.2.3(@types/eslint@8.56.12)(eslint-config-prettier@10.0.1(eslint@8.57.1))(eslint@8.57.1)(prettier@3.4.2)
+        version: 5.2.3(@types/eslint@9.6.1)(eslint-config-prettier@10.0.1(eslint@8.57.1))(eslint@8.57.1)(prettier@3.4.2)
       eslint-plugin-promise:
         specifier: ^7.0.0
         version: 7.2.1(eslint@8.57.1)
@@ -928,9 +928,6 @@ packages:
   '@types/eslint@9.6.1':
     resolution: {integrity: sha512-FXx2pKgId/WyYo2jXw63kk7/+TY7u7AziEJxJAnSFzHlqTAS3Ync6SvgYAN/k4/PQpnnVuzoMuVnByKK2qp0ag==}
 
-  '@types/estree@1.0.5':
-    resolution: {integrity: sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==}
-
   '@types/estree@1.0.6':
     resolution: {integrity: sha512-AYnb1nQyY49te+VRAVgmzfcgjYS91mY5P0TKUDCLEM+gNnA+3T6rWITXRLYCpahpqSQbN5cE+gHpnPyXjHWxcw==}
 
@@ -4797,16 +4794,14 @@ snapshots:
 
   '@types/eslint@8.56.12':
     dependencies:
-      '@types/estree': 1.0.5
+      '@types/estree': 1.0.6
       '@types/json-schema': 7.0.15
 
   '@types/eslint@9.6.1':
     dependencies:
-      '@types/estree': 1.0.5
+      '@types/estree': 1.0.6
       '@types/json-schema': 7.0.15
 
-  '@types/estree@1.0.5': {}
-
   '@types/estree@1.0.6': {}
 
   '@types/glob@7.1.3':
@@ -6083,14 +6078,14 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-plugin-prettier@5.2.3(@types/eslint@8.56.12)(eslint-config-prettier@10.0.1(eslint@8.57.1))(eslint@8.57.1)(prettier@3.4.2):
+  eslint-plugin-prettier@5.2.3(@types/eslint@9.6.1)(eslint-config-prettier@10.0.1(eslint@8.57.1))(eslint@8.57.1)(prettier@3.4.2):
     dependencies:
       eslint: 8.57.1
       prettier: 3.4.2
       prettier-linter-helpers: 1.0.0
       synckit: 0.9.2
     optionalDependencies:
-      '@types/eslint': 8.56.12
+      '@types/eslint': 9.6.1
       eslint-config-prettier: 10.0.1(eslint@8.57.1)
 
   eslint-plugin-promise@6.1.1(eslint@8.57.1):