diff --git a/garden/install_windows_src.md b/garden/install_windows_src.md
index dc77aafbc..35ce6b694 100644
--- a/garden/install_windows_src.md
+++ b/garden/install_windows_src.md
@@ -47,7 +47,7 @@ You will still be able to use `TPE` as a physics engine
 
   ```bash
   conda install cmake git vcstool curl pkg-config ^
-  colcon-common-extensions eigen freeimage gts ^
+  colcon-common-extensions eigen freeimage gdal gts ^
   glib dlfcn-win32 ffmpeg ruby tinyxml2 tinyxml ^
   protobuf urdfdom zeromq cppzmq ogre jsoncpp ^
   libzip qt pybind11 --channel conda-forge