diff --git a/.gitmodules b/.gitmodules
index 19011ce0c5a..91bd1257320 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "projects/robots/mobsya/thymio/controllers/thymio2_aseba/aseba"]
 	path = projects/robots/mobsya/thymio/controllers/thymio2_aseba/aseba
 	url = https://github.com/aseba-community/aseba.git
+[submodule "src/stb"]
+	path = src/stb
+	url = https://github.com/nothings/stb.git
diff --git a/src/stb b/src/stb
new file mode 160000
index 00000000000..f67165c2bb2
--- /dev/null
+++ b/src/stb
@@ -0,0 +1 @@
+Subproject commit f67165c2bb2af3060ecae7d20d6f731173485ad0