diff --git a/cmd/import.go b/cmd/import.go
index f9ce0e4..7d92f70 100644
--- a/cmd/import.go
+++ b/cmd/import.go
@@ -50,7 +50,7 @@ func Import(path, file, ver string) error {
 
 	// Write each keypair to vault
 	for _, item := range wrap.Data {
-		data := make(map[string]string)
+		data := make(map[string]interface{})
 		for _, kv := range item.Pairs {
 			data[kv.Key] = kv.Value
 		}
diff --git a/cmd/json.go b/cmd/json.go
index 26fe4ae..b4966aa 100644
--- a/cmd/json.go
+++ b/cmd/json.go
@@ -9,6 +9,6 @@ type Item struct {
 	Pairs []Pair `json:"pairs"`
 }
 type Pair struct {
-	Key   string `json:"key"`
-	Value string `json:"value"`
+	Key   string      `json:"key"`
+	Value interface{} `json:"value"`
 }
diff --git a/go.mod b/go.mod
index c8d3331..43b2e16 100644
--- a/go.mod
+++ b/go.mod
@@ -69,3 +69,5 @@ require (
 	gopkg.in/yaml.v2 v2.2.1 // indirect
 	gotest.tools v2.1.0+incompatible // indirect
 )
+
+go 1.13
diff --git a/it/integration_test.go b/it/integration_test.go
index c73dcc8..e1a6bd2 100644
--- a/it/integration_test.go
+++ b/it/integration_test.go
@@ -72,10 +72,11 @@ func TestMigrator__integration(t *testing.T) {
 	data := []struct {
 		path  string
 		key   string
-		value string
+		value interface{}
 	}{
 		{"secret/foo", "foo", "YmFyCg=="},          // bar
 		{"secret/bar/baz", "username", "YWRhbQo="}, // adam
+		{"secret/baz", "integer", 100},
 	}
 	os.Setenv("VAULT_ADDR", "http://127.0.0.1:8200")
 	os.Setenv("VAULT_TOKEN", token)
@@ -86,9 +87,18 @@ func TestMigrator__integration(t *testing.T) {
 
 	// write values
 	for i := range data {
-		client.Write(data[i].path, map[string]string{
-			data[i].key: data[i].value,
-		}, "1")
+		m := make(map[string]interface{})
+
+		switch d := data[i].value.(type) {
+		case int:
+			m[data[i].key] = d
+		case string:
+			m[data[i].key] = d
+		default:
+			t.Fatal("Error: unsupported data type")
+		}
+		client.Write(data[i].path, m, "1")
+
 		kv := client.Read(data[i].path)
 		if kv[data[i].key] != data[i].value {
 			t.Fatalf("path=%q, kv[%s]=%q, value=%q, err=%v", data[i].path, data[i].key, kv[data[i].key], data[i].value, err)
diff --git a/vault/client.go b/vault/client.go
index 918770c..921db0b 100644
--- a/vault/client.go
+++ b/vault/client.go
@@ -2,6 +2,7 @@ package vault
 
 import (
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
 	"os"
 
@@ -78,13 +79,38 @@ func (v *Vault) Read(path string) map[string]interface{} {
 	}
 	for k, v := range s.Data {
 		switch t := v.(type) {
+		case json.Number:
+			if n, err := t.Int64(); err == nil {
+				out[k] = n
+			} else if f, err := t.Float64(); err == nil {
+				out[k] = f
+			} else {
+				out[k] = v
+			}
 		case string:
 			out[k] = base64.StdEncoding.EncodeToString([]byte(t))
 		case map[string]interface{}:
 			if k == "data" {
 				for x, y := range t {
-					if z, ok := y.(string); ok {
-						out[x] = base64.StdEncoding.EncodeToString([]byte(z))
+					switch t := y.(type) {
+					case json.Number:
+						if n, err := t.Int64(); err == nil {
+							out[k] = n
+						} else if f, err := t.Float64(); err == nil {
+							out[k] = f
+						} else {
+							out[k] = y
+						}
+					case string:
+						out[x] = base64.StdEncoding.EncodeToString([]byte(t))
+					case map[string]interface{}:
+						js, err := json.Marshal(&t)
+						if err != nil {
+							fmt.Println(err)
+						}
+						out[x] = base64.StdEncoding.EncodeToString(js)
+					default:
+						fmt.Printf("error reading value at %s, key=%s, type=%T\n", path, k, v)
 					}
 				}
 			}
@@ -97,16 +123,28 @@ func (v *Vault) Read(path string) map[string]interface{} {
 }
 
 // Write takes in a vault path and base64 encoded data to be written at that path.
-func (v *Vault) Write(path string, data map[string]string, ver string) error {
+func (v *Vault) Write(path string, data map[string]interface{}, ver string) error {
 	body := make(map[string]interface{})
 
 	// Decode the base64 values
 	for k, v := range data {
-		b, err := base64.StdEncoding.DecodeString(v)
-		if err != nil {
-			return err
+		stringv, ok := v.(string)
+		if ok {
+			b, err := base64.StdEncoding.DecodeString(stringv)
+			if err != nil {
+				return err
+			}
+			isValid := json.Valid(b)
+			if isValid {
+				var mapValue map[string]interface{}
+				json.Unmarshal(b, &mapValue)
+				body[k] = mapValue
+			} else {
+				body[k] = string(b)
+			}
+		} else {
+			body[k] = v
 		}
-		body[k] = string(b)
 	}
 
 	var err error