diff --git a/package.json b/package.json
index ccb0510..a6fd502 100644
--- a/package.json
+++ b/package.json
@@ -73,12 +73,12 @@
     "rollup-plugin-eslint": "7.0.0",
     "rollup-plugin-json": "4.0.0",
     "rollup-plugin-multi-entry": "2.1.0",
-    "rollup-plugin-node-externals": "^2.1.2",
+    "rollup-plugin-node-externals": "2.1.2",
     "rollup-plugin-node-resolve": "5.2.0",
     "rollup-plugin-replace": "2.2.0",
     "rollup-plugin-tslint": "0.2.2",
     "rollup-plugin-typescript2": "0.25.2",
-    "rollup-plugin-yaml": "^2.0.0",
+    "rollup-plugin-yaml": "2.0.0",
     "sinon": "7.5.0",
     "sinon-chai": "3.3.0",
     "source-map-support": "0.5.16",
diff --git a/yarn.lock b/yarn.lock
index 433fc75..0c5f818 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2973,7 +2973,7 @@ rollup-plugin-multi-entry@2.1.0:
   dependencies:
     matched "^1.0.2"
 
-rollup-plugin-node-externals@^2.1.2:
+rollup-plugin-node-externals@2.1.2:
   version "2.1.2"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/rollup-plugin-node-externals/-/rollup-plugin-node-externals-2.1.2.tgz#13d15abad2a123b614bdd4908097e88753a98e54"
   integrity sha512-8YhU16BuONV8aubHx59tYbLFgw/oP+pb4Tzdh2h62OaaBR16Kb0mXEpAmlBs7TNc8xtT0JzGaslUjxBzO03mgw==
@@ -3017,7 +3017,7 @@ rollup-plugin-typescript2@0.25.2:
     rollup-pluginutils "2.8.1"
     tslib "1.10.0"
 
-rollup-plugin-yaml@^2.0.0:
+rollup-plugin-yaml@2.0.0:
   version "2.0.0"
   resolved "https://artifacts.apextoaster.com/repository/group-npm/rollup-plugin-yaml/-/rollup-plugin-yaml-2.0.0.tgz#80a67b59e00f010f5f2a2bb6fa70aad4718f85f8"
   integrity sha512-aBfREZIkvKjfwHbcpqVsst0iB2PvsdEpvGNw02N2kQ8rOP7ZClZDpxwylkpcmO9/xgD2uInA/AY3mGursT37zw==