diff --git a/package.json b/package.json
index bbcf679..3924591 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "@apextoaster/js-utils": "0.4.0",
     "@istanbuljs/nyc-config-typescript": "1.0.2",
-    "@istanbuljs/schema": "^0.1.3",
+    "@istanbuljs/schema": "0.1.3",
     "@microsoft/api-documenter": "7.15.1",
     "@microsoft/api-extractor": "7.19.4",
     "@types/chai": "4.3.0",
diff --git a/yarn.lock b/yarn.lock
index 2c48215..759e8b6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -64,16 +64,16 @@
   dependencies:
     "@istanbuljs/schema" "^0.1.2"
 
+"@istanbuljs/schema@0.1.3":
+  version "0.1.3"
+  resolved "https://artifacts.apextoaster.com/repository/group-npm/@istanbuljs/schema/-/schema-0.1.3.tgz#e45e384e4b8ec16bce2fd903af78450f6bf7ec98"
+  integrity sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==
+
 "@istanbuljs/schema@^0.1.2":
   version "0.1.2"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
   integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
 
-"@istanbuljs/schema@^0.1.3":
-  version "0.1.3"
-  resolved "https://artifacts.apextoaster.com/repository/group-npm/@istanbuljs/schema/-/schema-0.1.3.tgz#e45e384e4b8ec16bce2fd903af78450f6bf7ec98"
-  integrity sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==
-
 "@microsoft/api-documenter@7.15.1":
   version "7.15.1"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/@microsoft/api-documenter/-/api-documenter-7.15.1.tgz#2ac4ea475b0b54c0aa664e04b6e85828982ae226"