diff --git a/.gitmodules b/.gitmodules
index dddce6f..be40c2a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -127,3 +127,9 @@
 [submodule "vendor/nim-docopt"]
 	path = vendor/nim-docopt
 	url = https://github.com/docopt/docopt.nim.git
+[submodule "vendor/nim-regex"]
+	path = vendor/nim-regex
+	url = https://github.com/nitely/nim-regex.git
+[submodule "vendor/nim-unicodedb"]
+	path = vendor/nim-unicodedb
+	url = https://github.com/nitely/nim-unicodedb.git
diff --git a/vendor/nim-regex b/vendor/nim-regex
new file mode 160000
index 0000000..88f634b
--- /dev/null
+++ b/vendor/nim-regex
@@ -0,0 +1 @@
+Subproject commit 88f634b95651ce0d53961668be1c414341429b7f
diff --git a/vendor/nim-unicodedb b/vendor/nim-unicodedb
new file mode 160000
index 0000000..66f2458
--- /dev/null
+++ b/vendor/nim-unicodedb
@@ -0,0 +1 @@
+Subproject commit 66f2458710dc641dd4640368f9483c8a0ec70561