diff --git a/package.json b/package.json
index f46d33a1..27ffe8fb 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
         "eslint-config-prettier": "^10.1.8",
         "eslint-config-turbo": "^2.9.12",
         "globals": "^17.12.0",
-        "prettier": "^3.8.3",
+        "prettier": "^3.9.9",
         "turbo": "^2.9.14",
         "typescript": "^6.0.3"
     },
diff --git a/packages/http-helper/src/csp/sources.ts b/packages/http-helper/src/csp/sources.ts
index b5f918d5..309f07ec 100644
--- a/packages/http-helper/src/csp/sources.ts
+++ b/packages/http-helper/src/csp/sources.ts
@@ -5,12 +5,7 @@ export const SOURCE_NONE = `'none'`;
  *  - https://w3c.github.io/webappsec-csp/#grammardef-source-expression
  */
 export type SourceExpression =
-    | SchemeSource
-    | HostSource
-    | KeywordSource
-    | NonceSource
-    | HashSource
-    | typeof SOURCE_NONE;
+    SchemeSource | HostSource | KeywordSource | NonceSource | HashSource | typeof SOURCE_NONE;
 
 /**
  *  https://w3c.github.io/webappsec-csp/#grammardef-scheme-source
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c77073e2..e6a481e1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -30,8 +30,8 @@ importers:
         specifier: ^17.12.0
         version: 17.12.0
       prettier:
-        specifier: ^3.8.3
-        version: 3.8.3
+        specifier: ^3.9.9
+        version: 3.9.9
       turbo:
         specifier: ^2.9.14
         version: 2.9.14
@@ -716,8 +716,8 @@ packages:
     resolution: {integrity: sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==}
     engines: {node: '>= 0.8.0'}
 
-  prettier@3.8.3:
-    resolution: {integrity: sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw==}
+  prettier@3.9.9:
+    resolution: {integrity: sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -1463,7 +1463,7 @@ snapshots:
 
   prelude-ls@1.2.1: {}
 
-  prettier@3.8.3: {}
+  prettier@3.9.9: {}
 
   punycode@2.3.1: {}