diff --git a/manifest.go b/manifest.go
index f9bf1b8285..054976242c 100644
--- a/manifest.go
+++ b/manifest.go
@@ -6,6 +6,7 @@ package dep
 
 import (
 	"io"
+	"sort"
 
 	"github.com/pelletier/go-toml"
 	"github.com/pkg/errors"
@@ -128,12 +129,34 @@ func (m *Manifest) toRaw() rawManifest {
 	for n, prj := range m.Dependencies {
 		raw.Dependencies = append(raw.Dependencies, toRawProject(n, prj))
 	}
+	sort.Sort(sortedRawProjects(raw.Dependencies))
+
 	for n, prj := range m.Ovr {
 		raw.Overrides = append(raw.Overrides, toRawProject(n, prj))
 	}
+	sort.Sort(sortedRawProjects(raw.Overrides))
+
 	return raw
 }
 
+// TODO(carolynvs) when gps is moved, we can use the unexported gps.sortedConstraints
+type sortedRawProjects []rawProject
+
+func (s sortedRawProjects) Len() int      { return len(s) }
+func (s sortedRawProjects) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+func (s sortedRawProjects) Less(i, j int) bool {
+	l, r := s[i], s[j]
+
+	if l.Name < r.Name {
+		return true
+	}
+	if r.Name < l.Name {
+		return false
+	}
+
+	return l.Source < r.Source
+}
+
 func (m *Manifest) MarshalTOML() (string, error) {
 	raw := m.toRaw()
 
diff --git a/testdata/manifest/golden.toml b/testdata/manifest/golden.toml
index f3c4759d04..7de52e5089 100644
--- a/testdata/manifest/golden.toml
+++ b/testdata/manifest/golden.toml
@@ -1,13 +1,13 @@
 ignores = ["github.com/foo/bar"]
 
-[[dependencies]]
-  name = "github.com/sdboyer/gps"
-  version = ">=0.12.0, <1.0.0"
-
 [[dependencies]]
   name = "github.com/babble/brook"
   revision = "d05d5aca9f895d19e9265839bffeadd74a2d2ecb"
 
+[[dependencies]]
+  name = "github.com/sdboyer/gps"
+  version = ">=0.12.0, <1.0.0"
+
 [[overrides]]
   branch = "master"
   name = "github.com/sdboyer/gps"