diff --git a/.gitmodules b/.gitmodules
index 81c8ed32..2bba2042 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "external/freetype-gl"]
 	path = external/freetype-gl
 	url = https://github.com/rougier/freetype-gl.git
+[submodule "external/stb"]
+	path = external/stb
+	url = https://github.com/nothings/stb.git
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 37fbfe4c..221957b0 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -6,8 +6,10 @@ set_property(DIRECTORY
              PROPERTY CMAKE_CONFIGURE_DEPENDS
              freetype-gl.cmake
              hsluv-c.cmake
-             mapbox-gl-native.cmake)
+             mapbox-gl-native.cmake
+             stb.cmake)
 
 include(freetype-gl.cmake)
 include(hsluv-c.cmake)
 include(mapbox-gl-native.cmake)
+include(stb.cmake)
diff --git a/external/stb b/external/stb
new file mode 160000
index 00000000..8b5f1f37
--- /dev/null
+++ b/external/stb
@@ -0,0 +1 @@
+Subproject commit 8b5f1f37b5b75829fc72d38e7b5d4bcbf8a26d55
diff --git a/external/stb.cmake b/external/stb.cmake
new file mode 100644
index 00000000..52bbf5f2
--- /dev/null
+++ b/external/stb.cmake
@@ -0,0 +1,4 @@
+cmake_minimum_required(VERSION 3.19)
+set(PROJECT_NAME scwx-stb)
+
+set(STB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/stb PARENT_SCOPE)
diff --git a/scwx-qt/scwx-qt.cmake b/scwx-qt/scwx-qt.cmake
index 5901935e..7fef2526 100644
--- a/scwx-qt/scwx-qt.cmake
+++ b/scwx-qt/scwx-qt.cmake
@@ -231,7 +231,8 @@ endif()
 
 target_include_directories(scwx-qt PUBLIC ${scwx-qt_SOURCE_DIR}/source
                                           ${FTGL_INCLUDE_DIR}
-                                          ${MBGL_INCLUDE_DIR})
+                                          ${MBGL_INCLUDE_DIR}
+                                          ${STB_INCLUDE_DIR})
 
 target_include_directories(supercell-wx PUBLIC ${scwx-qt_SOURCE_DIR}/source)