diff --git a/package.json b/package.json
index 2f4b943..9d339c8 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@types/tmp": "0.2.3",
     "@typescript-eslint/eslint-plugin": "2.34.0",
     "@typescript-eslint/parser": "2.34.0",
-    "@w3f/test-utils": "^1.2.28",
+    "@w3f/test-utils": "1.2.28",
     "chai": "4.3.6",
     "eslint": "7.32.0",
     "fs-extra": "9.1.0",
diff --git a/yarn.lock b/yarn.lock
index 01fdddf..d6092bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -807,7 +807,7 @@
   dependencies:
     winston "^3.3.3"
 
-"@w3f/test-utils@^1.2.28":
+"@w3f/test-utils@1.2.28":
   version "1.2.28"
   resolved "https://registry.yarnpkg.com/@w3f/test-utils/-/test-utils-1.2.28.tgz#3f130d07642c6770eb7c2db390e9c92bad2336eb"
   integrity sha512-mhZ4YqcyM5s2vUMM+BDoYAzskScq0QH+gyrXIZlgjJsmiH8GN1nw1wG4AE9DJC3BLxdmj77vKqtzS1ZWsOFVng==