diff --git a/package.json b/package.json
index a8fcf31f6..ac7fb7e55 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,7 @@
     "eslint-plugin-lodash": "^8.0.0",
     "eslint-plugin-markdown": "^5.0.0",
     "eslint-plugin-no-only-tests": "^3.1.0",
-    "eslint-plugin-tsdoc": "^0.3.0",
+    "eslint-plugin-tsdoc": "^0.4.0",
     "eslint-plugin-unicorn": "^57.0.0",
     "express": "^4.19.1",
     "globals": "^15.4.0",
diff --git a/packages/mermaid/src/config.ts b/packages/mermaid/src/config.ts
index 31f0592de..9468a3e46 100644
--- a/packages/mermaid/src/config.ts
+++ b/packages/mermaid/src/config.ts
@@ -230,7 +230,7 @@ const ConfigWarning = {
 } as const;
 
 type ConfigWarningStrings = keyof typeof ConfigWarning;
-const issuedWarnings: { [key in ConfigWarningStrings]?: boolean } = {};
+const issuedWarnings: Partial<Record<ConfigWarningStrings, boolean>> = {};
 const issueWarning = (warning: ConfigWarningStrings) => {
   if (issuedWarnings[warning]) {
     return;
diff --git a/packages/mermaid/src/diagrams/architecture/architectureTypes.ts b/packages/mermaid/src/diagrams/architecture/architectureTypes.ts
index cad2c5c36..a7af33ca7 100644
--- a/packages/mermaid/src/diagrams/architecture/architectureTypes.ts
+++ b/packages/mermaid/src/diagrams/architecture/architectureTypes.ts
@@ -106,9 +106,7 @@ export const isValidArchitectureDirectionPair = function (
   return x !== 'LL' && x !== 'RR' && x !== 'TT' && x !== 'BB';
 };
 
-export type ArchitectureDirectionPairMap = {
-  [key in ArchitectureDirectionPair]?: string;
-};
+export type ArchitectureDirectionPairMap = Partial<Record<ArchitectureDirectionPair, string>>;
 
 /**
  * Creates a pair of the directions of each side of an edge. This function should be used instead of manually creating it to ensure that the source is always the first character.
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 688438404..588d2fcff 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -134,8 +134,8 @@ importers:
         specifier: ^3.1.0
         version: 3.3.0
       eslint-plugin-tsdoc:
-        specifier: ^0.3.0
-        version: 0.3.0
+        specifier: ^0.4.0
+        version: 0.4.0
       eslint-plugin-unicorn:
         specifier: ^57.0.0
         version: 57.0.0(eslint@9.12.0(jiti@2.4.2))
@@ -2796,11 +2796,11 @@ packages:
   '@mdi/font@7.4.47':
     resolution: {integrity: sha512-43MtGpd585SNzHZPcYowu/84Vz2a2g31TvPMTm9uTiCSWzaheQySUcSyUH/46fPnuPQWof2yd0pGBtzee/IQWw==}
 
-  '@microsoft/tsdoc-config@0.17.0':
-    resolution: {integrity: sha512-v/EYRXnCAIHxOHW+Plb6OWuUoMotxTN0GLatnpOb1xq0KuTNw/WI3pamJx/UbsoJP5k9MCw1QxvvhPcF9pH3Zg==}
+  '@microsoft/tsdoc-config@0.17.1':
+    resolution: {integrity: sha512-UtjIFe0C6oYgTnad4q1QP4qXwLhe6tIpNTRStJ2RZEPIkqQPREAwE5spzVxsdn9UaEMUqhh0AqSx3X4nWAKXWw==}
 
-  '@microsoft/tsdoc@0.15.0':
-    resolution: {integrity: sha512-HZpPoABogPvjeJOdzCOSJsXeL/SMCBgBZMVC3X3d7YYp2gf31MfxhUoYUNwf1ERPJOnQc0wkFn9trqI6ZEdZuA==}
+  '@microsoft/tsdoc@0.15.1':
+    resolution: {integrity: sha512-4aErSrCR/On/e5G2hDP0wjooqDdauzEbIq8hIkIe5pXV0rtWJZvdCEKL0ykZxex+IxIwBp0eGeV48hQN07dXtw==}
 
   '@nodelib/fs.scandir@2.1.5':
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
@@ -5660,8 +5660,8 @@ packages:
     resolution: {integrity: sha512-brcKcxGnISN2CcVhXJ/kEQlNa0MEfGRtwKtWA16SkqXHKitaKIMrfemJKLKX1YqDU5C/5JY3PvZXd5jEW04e0Q==}
     engines: {node: '>=5.0.0'}
 
-  eslint-plugin-tsdoc@0.3.0:
-    resolution: {integrity: sha512-0MuFdBrrJVBjT/gyhkP2BqpD0np1NxNLfQ38xXDlSs/KVVpKI2A6vN7jx2Rve/CyUsvOsMGwp9KKrinv7q9g3A==}
+  eslint-plugin-tsdoc@0.4.0:
+    resolution: {integrity: sha512-MT/8b4aKLdDClnS8mP3R/JNjg29i0Oyqd/0ym6NnQf+gfKbJJ4ZcSh2Bs1H0YiUMTBwww5JwXGTWot/RwyJ7aQ==}
 
   eslint-plugin-unicorn@57.0.0:
     resolution: {integrity: sha512-zUYYa6zfNdTeG9BISWDlcLmz16c+2Ck2o5ZDHh0UzXJz3DEP7xjmlVDTzbyV0W+XksgZ0q37WEWzN2D2Ze+g9Q==}
@@ -13533,14 +13533,14 @@ snapshots:
 
   '@mdi/font@7.4.47': {}
 
-  '@microsoft/tsdoc-config@0.17.0':
+  '@microsoft/tsdoc-config@0.17.1':
     dependencies:
-      '@microsoft/tsdoc': 0.15.0
+      '@microsoft/tsdoc': 0.15.1
       ajv: 8.12.0
       jju: 1.4.0
-      resolve: 1.22.8
+      resolve: 1.22.10
 
-  '@microsoft/tsdoc@0.15.0': {}
+  '@microsoft/tsdoc@0.15.1': {}
 
   '@nodelib/fs.scandir@2.1.5':
     dependencies:
@@ -16987,10 +16987,10 @@ snapshots:
 
   eslint-plugin-no-only-tests@3.3.0: {}
 
-  eslint-plugin-tsdoc@0.3.0:
+  eslint-plugin-tsdoc@0.4.0:
     dependencies:
-      '@microsoft/tsdoc': 0.15.0
-      '@microsoft/tsdoc-config': 0.17.0
+      '@microsoft/tsdoc': 0.15.1
+      '@microsoft/tsdoc-config': 0.17.1
 
   eslint-plugin-unicorn@57.0.0(eslint@9.12.0(jiti@2.4.2)):
     dependencies:
@@ -18666,7 +18666,7 @@ snapshots:
       jest-pnp-resolver: 1.2.3(jest-resolve@29.7.0)
       jest-util: 29.7.0
       jest-validate: 29.7.0
-      resolve: 1.22.8
+      resolve: 1.22.10
       resolve.exports: 2.0.2
       slash: 3.0.0