diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..b8b93ba8830d712c4fdf2e5e8820718589bab86c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "pystencils/gpucuda/CubicInterpolationCUDA"]
+	path = pystencils/gpucuda/CubicInterpolationCUDA
+	url = https://github.com/theHamsta/CubicInterpolationCUDA.git
diff --git a/pystencils/gpucuda/CubicInterpolationCUDA b/pystencils/gpucuda/CubicInterpolationCUDA
new file mode 160000
index 0000000000000000000000000000000000000000..f36dde8bede20f0a4bae60cd2675e7f6ede65887
--- /dev/null
+++ b/pystencils/gpucuda/CubicInterpolationCUDA
@@ -0,0 +1 @@
+Subproject commit f36dde8bede20f0a4bae60cd2675e7f6ede65887