diff --git a/go.mod b/go.mod
index 1ede1717cc7052e78b3974f20fdd297de0abc4e7..5d07ce676d09860107b751c9cbb69afac150c50b 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/jwalterweatherman v1.1.0
 	github.com/stretchr/testify v1.8.2
-	gitlab.com/elixxir/client/v4 v4.6.4-0.20230602201618-11b41b04386f
+	gitlab.com/elixxir/client/v4 v4.6.4-0.20230602205033-94b7a8f73adf
 	gitlab.com/elixxir/crypto v0.0.7-0.20230522162218-45433d877235
 	gitlab.com/elixxir/primitives v0.0.3-0.20230214180039-9a25e2d3969c
 	gitlab.com/elixxir/wasm-utils v0.0.0-20230522231408-a43b2c1481b2
diff --git a/go.sum b/go.sum
index f2b0a5afd371eb4e43bb2e49c935cf653c61c8a2..b968aff805a0a720933df60a0b6cabde0b819c3b 100644
--- a/go.sum
+++ b/go.sum
@@ -547,6 +547,8 @@ gitlab.com/elixxir/client/v4 v4.6.4-0.20230601191407-1b0289b33708 h1:wNIKci4XuDf
 gitlab.com/elixxir/client/v4 v4.6.4-0.20230601191407-1b0289b33708/go.mod h1:fegbuF1/6a+H3QgsoMG8teLnyuKtDxkELMw8pn5WlZ8=
 gitlab.com/elixxir/client/v4 v4.6.4-0.20230602201618-11b41b04386f h1:jwXyq/17fo5VxdQUDQiIfUHqr8m6Df1bV8wRjV4ssyw=
 gitlab.com/elixxir/client/v4 v4.6.4-0.20230602201618-11b41b04386f/go.mod h1:fegbuF1/6a+H3QgsoMG8teLnyuKtDxkELMw8pn5WlZ8=
+gitlab.com/elixxir/client/v4 v4.6.4-0.20230602205033-94b7a8f73adf h1:n9P9trdEGTBQBhraTI800+ZTrNeahmb01uFtfuyaga0=
+gitlab.com/elixxir/client/v4 v4.6.4-0.20230602205033-94b7a8f73adf/go.mod h1:fegbuF1/6a+H3QgsoMG8teLnyuKtDxkELMw8pn5WlZ8=
 gitlab.com/elixxir/comms v0.0.4-0.20230519211512-4a998f4b0938 h1:f27+QUFiGWrprKm+fstOg3ABkYLpWcZi3+8Lf5eDnqY=
 gitlab.com/elixxir/comms v0.0.4-0.20230519211512-4a998f4b0938/go.mod h1:z+qW0D9VpY5QKTd7wRlb5SK4kBNqLYsa4DXBcUXue9Q=
 gitlab.com/elixxir/crypto v0.0.7-0.20230522162218-45433d877235 h1:0BySdXTzRWxzH8k5RiNNMmmn2lpuQWLVcDDA/7ehyqc=
diff --git a/wasm/collective.go b/wasm/collective.go
index 5bd0fa145fd214752475bc1eaa9601dc881297e5..c6ee44fd5a93b9409984b6d9454911eefa3857f1 100644
--- a/wasm/collective.go
+++ b/wasm/collective.go
@@ -516,13 +516,13 @@ func (rsCB *RemoteStore) Write(path string, data []byte) error {
 // Returns:
 //   - JSON of [bindings.RemoteStoreReport] (Uint8Array).
 //   - Catches any thrown errors (of type Error) and returns it as an error.
-func (rsCB *RemoteStore) GetLastModified(path string) ([]byte, error) {
+func (rsCB *RemoteStore) GetLastModified(path string) (string, error) {
 	fn := func() js.Value { return rsCB.getLastModified(path) }
 	v, err := exception.RunAndCatch(fn)
 	if err != nil {
-		return nil, err
+		return "", err
 	}
-	return utils.CopyBytesToGo(v), err
+	return v.String(), err
 }
 
 // GetLastWrite implements [bindings.RemoteStore.GetLastWrite()
@@ -530,13 +530,13 @@ func (rsCB *RemoteStore) GetLastModified(path string) ([]byte, error) {
 // Returns:
 //   - JSON of [bindings.RemoteStoreReport] (Uint8Array).
 //   - Catches any thrown errors (of type Error) and returns it as an error.
-func (rsCB *RemoteStore) GetLastWrite() ([]byte, error) {
+func (rsCB *RemoteStore) GetLastWrite() (string, error) {
 	fn := func() js.Value { return rsCB.getLastWrite() }
 	v, err := exception.RunAndCatch(fn)
 	if err != nil {
-		return nil, err
+		return "", err
 	}
-	return utils.CopyBytesToGo(v), err
+	return v.String(), err
 }
 
 // ReadDir implements [bindings.RemoteStore.ReadDir]