diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b54e3cf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "r2con2018"]
+	path = r2con2018
+	url = https://github.com/radareorg/r2con2018
+[submodule "r2con2017"]
+	path = r2con2017
+	url = https://github.com/radareorg/r2con2017
+[submodule "r2con2016"]
+	path = r2con2016
+	url = https://github.com/radareorg/r2con2016
diff --git a/r2con2016 b/r2con2016
new file mode 160000
index 0000000..03f27eb
--- /dev/null
+++ b/r2con2016
@@ -0,0 +1 @@
+Subproject commit 03f27eba5410e9edaa517af3be8c7a4cc06cedb1
diff --git a/r2con2017 b/r2con2017
new file mode 160000
index 0000000..a33126a
--- /dev/null
+++ b/r2con2017
@@ -0,0 +1 @@
+Subproject commit a33126afa151835b2fa5f243b7485e7b08c28604
diff --git a/r2con2018 b/r2con2018
new file mode 160000
index 0000000..3ff54b0
--- /dev/null
+++ b/r2con2018
@@ -0,0 +1 @@
+Subproject commit 3ff54b08735cba05beadf462315f4bdf3cc4539c