diff --git a/.gitmodules b/.gitmodules
index a2a84ce..db107ec 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -76,3 +76,9 @@
 [submodule "site-lisp/expand-region"]
 	path = site-lisp/expand-region
 	url = https://github.com/magnars/expand-region.el.git
+[submodule "site-lisp/rg"]
+	path = site-lisp/rg
+	url = https://github.com/dajva/rg.el.git
+[submodule "site-lisp/Emacs-wgrep"]
+	path = site-lisp/Emacs-wgrep
+	url = https://github.com/mhayashi1120/Emacs-wgrep.git
diff --git a/lisp/init-tools.el b/lisp/init-tools.el
index f1bfbcb..e8199f5 100644
--- a/lisp/init-tools.el
+++ b/lisp/init-tools.el
@@ -70,4 +70,9 @@
  creature/map "expand-region")
 
 
+(lazy-load-global-keys
+ '(("C-c s" . rg-menu))
+ "rg")
+
+
 (provide 'init-tools)
diff --git a/site-lisp/Emacs-wgrep b/site-lisp/Emacs-wgrep
new file mode 160000
index 0000000..f9687c2
--- /dev/null
+++ b/site-lisp/Emacs-wgrep
@@ -0,0 +1 @@
+Subproject commit f9687c28bbc2e84f87a479b6ce04407bb97cfb23
diff --git a/site-lisp/rg b/site-lisp/rg
new file mode 160000
index 0000000..51596cb
--- /dev/null
+++ b/site-lisp/rg
@@ -0,0 +1 @@
+Subproject commit 51596cb516d7af1737d964ffdbb4c4d416d6dfaf