diff --git a/.gitmodules b/.gitmodules
index 1e01e7f..9611678 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "libs/f90getopt"]
 	path = libs/f90getopt
 	url = https://github.com/PKM74/f90getopt
+[submodule "libs/tokenizer"]
+	path = libs/tokenizer
+	url = https://github.com/PKM74/Fortran-Tokenizer
diff --git a/libs/tokenizer b/libs/tokenizer
new file mode 160000
index 0000000..11ad73e
--- /dev/null
+++ b/libs/tokenizer
@@ -0,0 +1 @@
+Subproject commit 11ad73ea6102f86593bf2b372d56bf9fbedaebc7