diff --git a/package.json b/package.json
index db491f1..9210609 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@apextoaster/js-utils": "0.2.1",
     "@istanbuljs/nyc-config-typescript": "1.0.1",
-    "@microsoft/api-documenter": "7.9.16",
+    "@microsoft/api-documenter": "7.9.20",
     "@microsoft/api-extractor": "7.11.0",
     "@types/chai": "4.2.14",
     "@types/chai-as-promised": "7.1.3",
diff --git a/yarn.lock b/yarn.lock
index 8eee3d3..1715868 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -180,27 +180,19 @@
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
   integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
 
-"@microsoft/api-documenter@7.9.16":
-  version "7.9.16"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@microsoft/api-documenter/-/api-documenter-7.9.16.tgz#2a065e3e4e9607362a50148c6923693cbdcb283a"
-  integrity sha512-AXHU28Adc838bichygUC+1YrmO1ocbihFtPTeMY+TajFz6AwMjSIS2Av7anLSR6BINh52h605v9InkpjStaTOw==
+"@microsoft/api-documenter@7.9.20":
+  version "7.9.20"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/@microsoft/api-documenter/-/api-documenter-7.9.20.tgz#5125be5560438e1c0af8fd07db0d292e4d7a1c44"
+  integrity sha512-4CyuvDVdM9dpxz3jVMKIJD5Y/Mz8tL2fmXAtWRtX5PrEXI/EqbXuPFiN6OlZTouV+c7kvQMsddGfWGYOU9zvBA==
   dependencies:
-    "@microsoft/api-extractor-model" "7.10.3"
+    "@microsoft/api-extractor-model" "7.10.6"
     "@microsoft/tsdoc" "0.12.19"
-    "@rushstack/node-core-library" "3.34.3"
-    "@rushstack/ts-command-line" "4.7.3"
+    "@rushstack/node-core-library" "3.34.5"
+    "@rushstack/ts-command-line" "4.7.4"
     colors "~1.2.1"
     js-yaml "~3.13.1"
     resolve "~1.17.0"
 
-"@microsoft/api-extractor-model@7.10.3":
-  version "7.10.3"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@microsoft/api-extractor-model/-/api-extractor-model-7.10.3.tgz#f687f324e940bd71e3e73b5b262a54594b0ea61c"
-  integrity sha512-etP4NbZpj+zPCuO3YYigIYXkXq5zYhfE3vo/hrCj1OOd/159HDbSHnEQrNWRVy5TR79RAzHvkYAwtLYKeYP8Ag==
-  dependencies:
-    "@microsoft/tsdoc" "0.12.19"
-    "@rushstack/node-core-library" "3.34.3"
-
 "@microsoft/api-extractor-model@7.10.6":
   version "7.10.6"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@microsoft/api-extractor-model/-/api-extractor-model-7.10.6.tgz#2d20a5fffefd4063dfda747504ce3c810a3d78b5"
@@ -268,21 +260,6 @@
     estree-walker "^1.0.1"
     picomatch "^2.2.2"
 
-"@rushstack/node-core-library@3.34.3":
-  version "3.34.3"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@rushstack/node-core-library/-/node-core-library-3.34.3.tgz#a59a1e452dcc79bd4e5f0840b4e9603551668f85"
-  integrity sha512-WNXHEk5/uoZsbrKzGpYUzDDymJvZarRkByab4uS1fbEcTSDFSVB9e0rREzCkU9yDAQlRutbFwiTXLu3LVR5F6w==
-  dependencies:
-    "@types/node" "10.17.13"
-    colors "~1.2.1"
-    fs-extra "~7.0.1"
-    import-lazy "~4.0.0"
-    jju "~1.4.0"
-    resolve "~1.17.0"
-    semver "~7.3.0"
-    timsort "~0.3.0"
-    z-schema "~3.18.3"
-
 "@rushstack/node-core-library@3.34.5":
   version "3.34.5"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@rushstack/node-core-library/-/node-core-library-3.34.5.tgz#ccd4316aed1651742b9bee97fc18b4236f4722b4"
@@ -307,16 +284,6 @@
     resolve "~1.17.0"
     strip-json-comments "~3.1.1"
 
-"@rushstack/ts-command-line@4.7.3":
-  version "4.7.3"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@rushstack/ts-command-line/-/ts-command-line-4.7.3.tgz#fa72c637d70aa29c201f8f016f7db626f2d23a2c"
-  integrity sha512-8FNrUSbMgKLgRVcsg1STsIC2xAdyes7qJtVwg36hSnBAMZgCCIM+Z36nnxyrnYTS/6qwiXv7fwVaUxXH+SyiAQ==
-  dependencies:
-    "@types/argparse" "1.0.38"
-    argparse "~1.0.9"
-    colors "~1.2.1"
-    string-argv "~0.3.1"
-
 "@rushstack/ts-command-line@4.7.4":
   version "4.7.4"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@rushstack/ts-command-line/-/ts-command-line-4.7.4.tgz#71b785aea62b3cb71547a1c8a51e8948c8a26b87"