diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..5a852cd3f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/jpgjs"]
+	path = external/jpgjs
+	url = git@github.com:brendandahl/jpgjs.git
diff --git a/external/jpgjs b/external/jpgjs
new file mode 160000
index 000000000..592bec146
--- /dev/null
+++ b/external/jpgjs
@@ -0,0 +1 @@
+Subproject commit 592bec14658593fe90df1309926a38177889042e