diff --git a/README.md b/README.md
index ae79cb1..20a5280 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
 # castle-go
 
-castle-go  is a go library wrapping https://castle.io API.
+castle-go is a go library wrapping https://castle.io API.
 
 ## Install
 
 ```
-go get github.com/castle/castle-go/castle
+go get github.com/castle/castle-go
 ```
 
 ## Usage
@@ -20,36 +20,36 @@ castle.NewWithHTTPClient("secret-api-key", &http.Client{Timeout: time.Second * 2
 
 ```go
 castle.Track(
-		castle.EventLoginSucceeded,
-		"user-123",
-		map[string]string{"prop1": "propValue1"},
-		map[string]string{"trait1": "traitValue1"},
-		castle.ContextFromRequest(req),
-	)
+  castle.EventLoginSucceeded,
+  "user-123",
+  map[string]string{"prop1": "propValue1"},
+  map[string]string{"trait1": "traitValue1"},
+  castle.ContextFromRequest(req),
+)
 ```
 
 ### Tracking custom events
 
 ```go
 castle.Track(
-		castle.Event("custom-event"),
-		"user-123",
-		map[string]string{"prop1": "propValue1"},
-		map[string]string{"trait1": "traitValue1"},
-		castle.ContextFromRequest(req),
-	)
+  castle.Event("custom-event"),
+  "user-123",
+  map[string]string{"prop1": "propValue1"},
+  map[string]string{"trait1": "traitValue1"},
+  castle.ContextFromRequest(req),
+)
 ```
 
 ### Adaptive authentication
 
 ```go
 decision, err := castle.Authenticate(
-		castle.EventLoginSucceeded,
-		"md-1",
-		map[string]string{"prop1": "propValue1"},
-		map[string]string{"trait1": "traitValue1"},
-		castle.ContextFromRequest(req),
-	)
+  castle.EventLoginSucceeded,
+  "md-1",
+  map[string]string{"prop1": "propValue1"},
+  map[string]string{"trait1": "traitValue1"},
+  castle.ContextFromRequest(req),
+)
 ```
 
 ### Example
diff --git a/castle/castle.go b/castle.go
similarity index 100%
rename from castle/castle.go
rename to castle.go
diff --git a/castle/castle_test.go b/castle_test.go
similarity index 98%
rename from castle/castle_test.go
rename to castle_test.go
index e3b530e..9ecea82 100644
--- a/castle/castle_test.go
+++ b/castle_test.go
@@ -6,7 +6,7 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/castle/castle-go/castle"
+	"github.com/castle/castle-go"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -201,12 +201,12 @@ func TestContextFromRequest(t *testing.T) {
 
 	// grabs whitelisted headers only
 
-	for _, whitelistedHeader := range castle.HeaderWhitelist {
+	for _, whitelistedHeader := range castle.HeaderAllowList {
 		req.Header.Set(whitelistedHeader, whitelistedHeader)
 	}
 
 	ctx = castle.ContextFromRequest(req)
-	for _, whitelistedHeader := range castle.HeaderWhitelist {
+	for _, whitelistedHeader := range castle.HeaderAllowList {
 		assert.Contains(t, ctx.Headers, http.CanonicalHeaderKey(whitelistedHeader))
 	}
 
diff --git a/castle/go.mod b/go.mod
similarity index 78%
rename from castle/go.mod
rename to go.mod
index fbe7ad8..d9f75a5 100644
--- a/castle/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/castle/castle-go/castle
+module github.com/castle/castle-go
 
 go 1.14
 
diff --git a/castle/go.sum b/go.sum
similarity index 100%
rename from castle/go.sum
rename to go.sum
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..07f20d6
--- /dev/null
+++ b/version.go
@@ -0,0 +1,4 @@
+package castle
+
+// VERSION - current package version
+const VERSION = "0.1.0"