diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 81e1494..56fa0c8 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,8 +1,10 @@
-FetchContent_Declare(
-  pybind11
-  GIT_REPOSITORY https://github.com/pybind/pybind11.git
-  GIT_TAG v3.0.0)
-FetchContent_MakeAvailable(pybind11)
+if(NOT TARGET pybind11)
+  FetchContent_Declare(
+    pybind11
+    GIT_REPOSITORY https://github.com/pybind/pybind11.git
+    GIT_TAG v3.0.0)
+  FetchContent_MakeAvailable(pybind11)
+endif()
 
 pybind11_add_module(pytrigdx bindings.cpp)
 target_link_libraries(pytrigdx PRIVATE trigdx)