diff --git a/notary/go.mod b/sumdb/go.mod
similarity index 70%
rename from notary/go.mod
rename to sumdb/go.mod
index 4b4d966d7..a1a161f9d 100644
--- a/notary/go.mod
+++ b/sumdb/go.mod
@@ -1,4 +1,4 @@
-module golang.org/x/exp/notary
+module golang.org/x/exp/sumdb
 
 go 1.13
 
diff --git a/notary/go.sum b/sumdb/go.sum
similarity index 100%
rename from notary/go.sum
rename to sumdb/go.sum
diff --git a/notary/gosumcheck/main.go b/sumdb/gosumcheck/main.go
similarity index 99%
rename from notary/gosumcheck/main.go
rename to sumdb/gosumcheck/main.go
index 37d63d130..5c2b77963 100644
--- a/notary/gosumcheck/main.go
+++ b/sumdb/gosumcheck/main.go
@@ -44,7 +44,7 @@ import (
 	"sync"
 	"time"
 
-	"golang.org/x/exp/notary/internal/sumweb"
+	"golang.org/x/exp/sumdb/internal/sumweb"
 )
 
 func usage() {
diff --git a/notary/gosumcheck/test.bash b/sumdb/gosumcheck/test.bash
similarity index 100%
rename from notary/gosumcheck/test.bash
rename to sumdb/gosumcheck/test.bash
diff --git a/notary/gosumcheck/test.sum b/sumdb/gosumcheck/test.sum
similarity index 100%
rename from notary/gosumcheck/test.sum
rename to sumdb/gosumcheck/test.sum
diff --git a/notary/internal/note/example_test.go b/sumdb/internal/note/example_test.go
similarity index 98%
rename from notary/internal/note/example_test.go
rename to sumdb/internal/note/example_test.go
index e9d3a7189..bb4b5cb0d 100644
--- a/notary/internal/note/example_test.go
+++ b/sumdb/internal/note/example_test.go
@@ -9,7 +9,7 @@ import (
 	"io"
 	"os"
 
-	"golang.org/x/exp/notary/internal/note"
+	"golang.org/x/exp/sumdb/internal/note"
 )
 
 func ExampleSign() {
diff --git a/notary/internal/note/note.go b/sumdb/internal/note/note.go
similarity index 100%
rename from notary/internal/note/note.go
rename to sumdb/internal/note/note.go
diff --git a/notary/internal/note/note_test.go b/sumdb/internal/note/note_test.go
similarity index 100%
rename from notary/internal/note/note_test.go
rename to sumdb/internal/note/note_test.go
diff --git a/notary/internal/sumweb/cache.go b/sumdb/internal/sumweb/cache.go
similarity index 100%
rename from notary/internal/sumweb/cache.go
rename to sumdb/internal/sumweb/cache.go
diff --git a/notary/internal/sumweb/client.go b/sumdb/internal/sumweb/client.go
similarity index 99%
rename from notary/internal/sumweb/client.go
rename to sumdb/internal/sumweb/client.go
index 25bb327e7..73b3872a2 100644
--- a/notary/internal/sumweb/client.go
+++ b/sumdb/internal/sumweb/client.go
@@ -12,8 +12,8 @@ import (
 	"strings"
 	"sync"
 
-	"golang.org/x/exp/notary/internal/note"
-	"golang.org/x/exp/notary/internal/tlog"
+	"golang.org/x/exp/sumdb/internal/note"
+	"golang.org/x/exp/sumdb/internal/tlog"
 )
 
 // A Client provides the external operations
diff --git a/notary/internal/sumweb/client_test.go b/sumdb/internal/sumweb/client_test.go
similarity index 99%
rename from notary/internal/sumweb/client_test.go
rename to sumdb/internal/sumweb/client_test.go
index ccbea681c..7cc0768e9 100644
--- a/notary/internal/sumweb/client_test.go
+++ b/sumdb/internal/sumweb/client_test.go
@@ -11,8 +11,8 @@ import (
 	"sync"
 	"testing"
 
-	"golang.org/x/exp/notary/internal/note"
-	"golang.org/x/exp/notary/internal/tlog"
+	"golang.org/x/exp/sumdb/internal/note"
+	"golang.org/x/exp/sumdb/internal/tlog"
 )
 
 const (
diff --git a/notary/internal/sumweb/encode.go b/sumdb/internal/sumweb/encode.go
similarity index 100%
rename from notary/internal/sumweb/encode.go
rename to sumdb/internal/sumweb/encode.go
diff --git a/notary/internal/sumweb/encode_test.go b/sumdb/internal/sumweb/encode_test.go
similarity index 100%
rename from notary/internal/sumweb/encode_test.go
rename to sumdb/internal/sumweb/encode_test.go
diff --git a/notary/internal/sumweb/server.go b/sumdb/internal/sumweb/server.go
similarity index 99%
rename from notary/internal/sumweb/server.go
rename to sumdb/internal/sumweb/server.go
index b529c55f2..7f272fff4 100644
--- a/notary/internal/sumweb/server.go
+++ b/sumdb/internal/sumweb/server.go
@@ -12,7 +12,7 @@ import (
 	"regexp"
 	"strings"
 
-	"golang.org/x/exp/notary/internal/tlog"
+	"golang.org/x/exp/sumdb/internal/tlog"
 )
 
 // A Server provides the external operations
diff --git a/notary/internal/tlog/ct_test.go b/sumdb/internal/tlog/ct_test.go
similarity index 100%
rename from notary/internal/tlog/ct_test.go
rename to sumdb/internal/tlog/ct_test.go
diff --git a/notary/internal/tlog/note.go b/sumdb/internal/tlog/note.go
similarity index 100%
rename from notary/internal/tlog/note.go
rename to sumdb/internal/tlog/note.go
diff --git a/notary/internal/tlog/note_test.go b/sumdb/internal/tlog/note_test.go
similarity index 100%
rename from notary/internal/tlog/note_test.go
rename to sumdb/internal/tlog/note_test.go
diff --git a/notary/internal/tlog/tile.go b/sumdb/internal/tlog/tile.go
similarity index 100%
rename from notary/internal/tlog/tile.go
rename to sumdb/internal/tlog/tile.go
diff --git a/notary/internal/tlog/tlog.go b/sumdb/internal/tlog/tlog.go
similarity index 100%
rename from notary/internal/tlog/tlog.go
rename to sumdb/internal/tlog/tlog.go
diff --git a/notary/internal/tlog/tlog_test.go b/sumdb/internal/tlog/tlog_test.go
similarity index 100%
rename from notary/internal/tlog/tlog_test.go
rename to sumdb/internal/tlog/tlog_test.go