diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..fd41304
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/swisspair_cpp"]
+	path = src/swisspair_cpp
+	url = https://github.com/karlosss/swisspair.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cdc96d2..eaf0e42 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,9 +22,9 @@ project(
 
 add_link_options(-lgmp)
 
-add_subdirectory(swisspair)
-add_subdirectory(swisspair/gmpwrap)
-add_subdirectory(swisspair/Minimum-Cost-Perfect-Matching)
+add_subdirectory(swisspair_cpp)
+add_subdirectory(swisspair_cpp/gmpwrap)
+add_subdirectory(swisspair_cpp/Minimum-Cost-Perfect-Matching)
 
 # Find the module development requirements (requires FindPython from 3.17 or
 # scikit-build-core's built-in backport)
@@ -35,7 +35,7 @@ find_package(pybind11 CONFIG REQUIRED)
 # this)
 python_add_library(_swisspair MODULE swisspair-python/src/bindings.cpp WITH_SOABI)
 target_link_libraries(_swisspair PRIVATE pybind11::headers)
-target_link_libraries(_swisspair PRIVATE swisspair)
+target_link_libraries(_swisspair PRIVATE swisspair_cpp)
 target_link_libraries(_swisspair PRIVATE gmpwrap)
 target_link_libraries(_swisspair PRIVATE mincostpmatch)
 
diff --git a/src/swisspair_cpp b/src/swisspair_cpp
new file mode 160000
index 0000000..50e03ac
--- /dev/null
+++ b/src/swisspair_cpp
@@ -0,0 +1 @@
+Subproject commit 50e03ac1ca32337e643aca31989187ab98ff5616