diff --git a/.gitmodules b/.gitmodules
index 1efeb8d..45d6005 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "modules/argparse"]
 	path = modules/argparse
 	url = https://github.com/p-ranav/argparse
+[submodule "modules/indicators"]
+	path = modules/indicators
+	url = https://github.com/p-ranav/indicators
diff --git a/README.md b/README.md
index 6dd6d1c..efa43dc 100644
--- a/README.md
+++ b/README.md
@@ -153,6 +153,12 @@ ln -s ../modules/indicators/include/indicators include/indicators
 ln -s ../modules/csv2/include/csv2 include/csv2
 ```
 
+Otherwise, you can just update the modules if they're already there and out-of-date:
+
+```bash
+git submodule update --init --recursive
+```
+
 And then build the binaries (check the "build" directory):
 
 ```bash
diff --git a/modules/indicators b/modules/indicators
new file mode 160000
index 0000000..222382c
--- /dev/null
+++ b/modules/indicators
@@ -0,0 +1 @@
+Subproject commit 222382c3a6abbce32503792c59826063660ddb56