diff --git a/Makefile b/Makefile
index 06698ea..489b28c 100644
--- a/Makefile
+++ b/Makefile
@@ -20,25 +20,25 @@ promote-to-tags: tag/promote.gen.go
 	go fmt tag/*
 
 tag/block.gen.go: $(SOURCES) tag.block.txt
-	go run script/generate-tags.go < tag.block.txt > tag/block.gen.go
+	go run internal/script/generate-tags.go < tag.block.txt > tag/block.gen.go
 
 tag/inline.gen.go: $(SOURCES) tag.inline.txt
-	go run script/generate-tags.go Inline < tag.inline.txt > tag/inline.gen.go
+	go run internal/script/generate-tags.go Inline < tag.inline.txt > tag/inline.gen.go
 
 tag/inlinechildren.gen.go: $(SOURCES) tag.inlinechildren.txt
-	go run script/generate-tags.go InlineChildren < tag.inlinechildren.txt > tag/inlinechildren.gen.go
+	go run internal/script/generate-tags.go InlineChildren < tag.inlinechildren.txt > tag/inlinechildren.gen.go
 
 tag/void.block.gen.go: $(SOURCES) tag.void.block.txt
-	go run script/generate-tags.go Void < tag.void.block.txt > tag/void.block.gen.go
+	go run internal/script/generate-tags.go Void < tag.void.block.txt > tag/void.block.gen.go
 
 tag/void.inline.gen.go: $(SOURCES) tag.void.inline.txt
-	go run script/generate-tags.go Void Inline < tag.void.inline.txt > tag/void.inline.gen.go
+	go run internal/script/generate-tags.go Void Inline < tag.void.inline.txt > tag/void.inline.gen.go
 
 tag/script.gen.go: $(SOURCES) tag.script.txt
-	go run script/generate-tags.go ScriptContent < tag.script.txt > tag/script.gen.go
+	go run internal/script/generate-tags.go ScriptContent < tag.script.txt > tag/script.gen.go
 
 tag/promote.gen.go: $(SOURCES) promote-to-tags.txt
-	go run script/promote-to-tags.go < promote-to-tags.txt > tag/promote.gen.go
+	go run internal/script/promote-to-tags.go < promote-to-tags.txt > tag/promote.gen.go
 
 fmt: $(SOURCES) tags
 	go fmt ./...
diff --git a/script/generate-tags.go b/internal/script/generate-tags.go
similarity index 100%
rename from script/generate-tags.go
rename to internal/script/generate-tags.go
diff --git a/script/promote-to-tags.go b/internal/script/promote-to-tags.go
similarity index 100%
rename from script/promote-to-tags.go
rename to internal/script/promote-to-tags.go