diff --git a/7-4/racket/collects/syntax/parse/experimental/dset.rkt b/7-4/racket/collects/syntax/parse/experimental/dset.rkt
new file mode 100644
index 0000000..7bc35af
--- /dev/null
+++ b/7-4/racket/collects/syntax/parse/experimental/dset.rkt
@@ -0,0 +1 @@
+#lang racket/base
diff --git a/7-4/racket/collects/syntax/parse/private/parse-aux.rkt b/7-4/racket/collects/syntax/parse/private/parse-aux.rkt
new file mode 100644
index 0000000..7bc35af
--- /dev/null
+++ b/7-4/racket/collects/syntax/parse/private/parse-aux.rkt
@@ -0,0 +1 @@
+#lang racket/base
diff --git a/my-include.rkt b/my-include.rkt
index 459c897..6e0254c 100644
--- a/my-include.rkt
+++ b/my-include.rkt
@@ -42,8 +42,9 @@
              #,(my-include1 (loc (string-append -updir "6-90-0-29" -filename)))]
            [(version< (version) "7.3.0.1")
              #,(my-include1 (loc (string-append -updir "7-0-0-20" -filename)))]
-           ;[(version< (version) "7.4")
-           ;  #,(my-include1 (loc (string-append -updir "7-3-0-1" -filename)))]
+           [(version< (version) "7.4")
+;             #,(my-include1 (loc (string-append -updir "7-3-0-1" -filename)))]
+             #,(my-include1 (loc (string-append -updir "7-4" -filename)))]
            [(version< (version) "7.5")
              #,(my-include1 (loc (string-append -updir "7-4" -filename)))]
            [else