diff --git a/cmd/root.go b/internal/cmd/root.go
similarity index 96%
rename from cmd/root.go
rename to internal/cmd/root.go
index da04664..b3e478f 100644
--- a/cmd/root.go
+++ b/internal/cmd/root.go
@@ -7,8 +7,8 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	generate "github.com/tweag/gomod2nix/generate"
-	schema "github.com/tweag/gomod2nix/schema"
+	generate "github.com/tweag/gomod2nix/internal/generate"
+	schema "github.com/tweag/gomod2nix/internal/schema"
 )
 
 const directoryDefault = "./"
diff --git a/generate/generate.go b/internal/generate/generate.go
similarity index 97%
rename from generate/generate.go
rename to internal/generate/generate.go
index acdeed5..2d8a9fa 100644
--- a/generate/generate.go
+++ b/internal/generate/generate.go
@@ -17,8 +17,8 @@ import (
 
 	"github.com/nix-community/go-nix/pkg/nar"
 	log "github.com/sirupsen/logrus"
-	"github.com/tweag/gomod2nix/lib"
-	schema "github.com/tweag/gomod2nix/schema"
+	"github.com/tweag/gomod2nix/internal/lib"
+	schema "github.com/tweag/gomod2nix/internal/schema"
 	"golang.org/x/mod/modfile"
 )
 
diff --git a/generate/temp.go b/internal/generate/temp.go
similarity index 100%
rename from generate/temp.go
rename to internal/generate/temp.go
diff --git a/lib/executor.go b/internal/lib/executor.go
similarity index 100%
rename from lib/executor.go
rename to internal/lib/executor.go
diff --git a/schema/schema.go b/internal/schema/schema.go
similarity index 100%
rename from schema/schema.go
rename to internal/schema/schema.go
diff --git a/main.go b/main.go
index c9e13a9..23ae96a 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,6 @@
 package main
 
-import "github.com/tweag/gomod2nix/cmd"
+import "github.com/tweag/gomod2nix/internal/cmd"
 
 func main() {
 	cmd.Execute()