diff --git a/package.json b/package.json
index 4f009c9b3..dd77060d1 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
         "@types/luxon": "1.25.0",
         "@types/markdown-it": "12.0.1",
         "@types/markdown-it-container": "2.0.3",
-        "@types/markdown-it-plantuml": "^1.4.0",
+        "@types/markdown-it-plantuml": "1.4.0",
         "@types/mermaid": "8.2.1",
         "@types/node": "12.12.53",
         "@types/node-sass": "4.11.1",
diff --git a/yarn.lock b/yarn.lock
index 419b05d90..14ced2faf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2264,7 +2264,7 @@
   dependencies:
     "@types/markdown-it" "*"
 
-"@types/markdown-it-plantuml@^1.4.0":
+"@types/markdown-it-plantuml@1.4.0":
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/@types/markdown-it-plantuml/-/markdown-it-plantuml-1.4.0.tgz#f8c599f333ba86e3525a02a056c1113e4ce30654"
   integrity sha512-43NP8P6nK4gpvWEF1UaijVNUcjjyToGtprr9jFpm7AWHO2UNpNXYm/fhMFie+e+hOdlepHuRahA6lnSy1sTqtA==