diff --git a/package.json b/package.json
index 62a9058..e34063f 100644
--- a/package.json
+++ b/package.json
@@ -27,10 +27,10 @@
 	},
 	"dependencies": {
 		"faucet-pipeline-core": "^1.2.0",
-		"rollup": "~1.2.1",
+		"rollup": "~1.2.2",
 		"rollup-plugin-cleanup": "~3.1.1",
 		"rollup-plugin-commonjs": "~9.2.0",
-		"rollup-plugin-node-resolve": "~4.0.0"
+		"rollup-plugin-node-resolve": "~4.0.1"
 	},
 	"devDependencies": {
 		"eslint-config-fnd-jsx": "^1.6.0",
@@ -38,8 +38,8 @@
 		"faucet-pipeline-jsx": "file:pkg/faucet-pipeline-jsx",
 		"faucet-pipeline-typescript": "file:pkg/faucet-pipeline-typescript",
 		"faucet-pipeline-jsmin": "file:pkg/faucet-pipeline-jsmin",
-		"json-diff": "^0.5.3",
-		"mocha": "^5.2.0",
+		"json-diff": "^0.5.4",
+		"mocha": "^6.0.1",
 		"npm-run-all": "^4.1.5",
 		"release-util-fnd": "^1.1.1"
 	}
diff --git a/pkg/faucet-pipeline-typescript/package.json b/pkg/faucet-pipeline-typescript/package.json
index 416a870..5d9cc50 100644
--- a/pkg/faucet-pipeline-typescript/package.json
+++ b/pkg/faucet-pipeline-typescript/package.json
@@ -18,6 +18,6 @@
 	"dependencies": {
 		"faucet-pipeline-js": "2.0.0",
 		"rollup-plugin-typescript2": "~0.19.2",
-		"typescript": "~3.3.3"
+		"typescript": "~3.3.3333"
 	}
 }
diff --git a/test/unit/test_shim.js b/test/unit/test_shim.js
deleted file mode 100644
index 701d7cb..0000000
--- a/test/unit/test_shim.js
+++ /dev/null
@@ -1,9 +0,0 @@
-"use strict";
-
-// skip tests using modern syntax on legacy versions of Node
-// NB: this is a workaround until we can drop support for Node v6
-//     <https://github.com/faucet-pipeline/faucet-pipeline-core/issues/49>
-let major = process.version.split(".")[0].substr(1);
-if(parseInt(major, 10) > 6) {
-	require("./_test_virtual");
-}
diff --git a/test/unit/_test_virtual.js b/test/unit/test_virtual.js
similarity index 100%
rename from test/unit/_test_virtual.js
rename to test/unit/test_virtual.js