diff --git a/.github/workflows/build-vault-oss.yml b/.github/workflows/build-vault-oss.yml
index 0ba21db59999..0c3197e2aaeb 100644
--- a/.github/workflows/build-vault-oss.yml
+++ b/.github/workflows/build-vault-oss.yml
@@ -47,7 +47,7 @@ jobs:
       - name: Set up node and yarn
         uses: actions/setup-node@v3
         with:
-          node-version: 14
+          node-version: 16
           cache: yarn
           cache-dependency-path: ui/yarn.lock
       - name: Build UI
diff --git a/helper/testhelpers/testhelpers.go b/helper/testhelpers/testhelpers.go
index c2d437abf279..2707845682b6 100644
--- a/helper/testhelpers/testhelpers.go
+++ b/helper/testhelpers/testhelpers.go
@@ -1003,3 +1003,34 @@ func SkipUnlessEnvVarsSet(t testing.T, envVars []string) {
 		}
 	}
 }
+
+// WaitForNodesExcludingSelectedStandbys is variation on WaitForActiveNodeAndStandbys.
+// It waits for the active node before waiting for standby nodes, however
+// it will not wait for cores with indexes that match those specified as arguments.
+// Whilst you could specify index 0 which is likely to be the leader node, the function
+// checks for the leader first regardless of the indexes to skip, so it would be redundant to do so.
+// The intention/use case for this function is to allow a cluster to start and become active with one
+// or more nodes not joined, so that we can test scenarios where a node joins later.
+// e.g. 4 nodes in the cluster, only 3 nodes in cluster 'active', 1 node can be joined later in tests.
+func WaitForNodesExcludingSelectedStandbys(t testing.T, cluster *vault.TestCluster, indexesToSkip ...int) {
+	WaitForActiveNode(t, cluster)
+
+	contains := func(elems []int, e int) bool {
+		for _, v := range elems {
+			if v == e {
+				return true
+			}
+		}
+
+		return false
+	}
+	for i, core := range cluster.Cores {
+		if contains(indexesToSkip, i) {
+			continue
+		}
+
+		if standby, _ := core.Core.Standby(); standby {
+			WaitForStandbyNode(t, core)
+		}
+	}
+}
diff --git a/helper/testhelpers/testhelpers_oss.go b/helper/testhelpers/testhelpers_oss.go
index cf1459a63da9..fc55e9b52c73 100644
--- a/helper/testhelpers/testhelpers_oss.go
+++ b/helper/testhelpers/testhelpers_oss.go
@@ -20,34 +20,3 @@ func WaitForActiveNodeAndStandbys(t testing.T, cluster *vault.TestCluster) {
 		}
 	}
 }
-
-// WaitForNodesExcludingSelectedStandbys is variation on WaitForActiveNodeAndStandbys.
-// It waits for the active node before waiting for standby nodes, however
-// it will not wait for cores with indexes that match those specified as arguments.
-// Whilst you could specify index 0 which is likely to be the leader node, the function
-// checks for the leader first regardless of the indexes to skip, so it would be redundant to do so.
-// The intention/use case for this function is to allow a cluster to start and become active with one
-// or more nodes not joined, so that we can test scenarios where a node joins later.
-// e.g. 4 nodes in the cluster, only 3 nodes in cluster 'active', 1 node can be joined later in tests.
-func WaitForNodesExcludingSelectedStandbys(t testing.T, cluster *vault.TestCluster, indexesToSkip ...int) {
-	WaitForActiveNode(t, cluster)
-
-	contains := func(elems []int, e int) bool {
-		for _, v := range elems {
-			if v == e {
-				return true
-			}
-		}
-
-		return false
-	}
-	for i, core := range cluster.Cores {
-		if contains(indexesToSkip, i) {
-			continue
-		}
-
-		if standby, _ := core.Core.Standby(); standby {
-			WaitForStandbyNode(t, core)
-		}
-	}
-}
diff --git a/ui/.nvmrc b/ui/.nvmrc
index 958b5a36e1fa..6f7f377bf514 100644
--- a/ui/.nvmrc
+++ b/ui/.nvmrc
@@ -1 +1 @@
-v14
+v16