diff --git a/.gitignore b/.gitignore
index dcc95b2a0..3abb7f2d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,8 @@ Debug*/
 externals/
 *.so
 build
+
+# IDE
+.cproject
+.project
+.settings
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2049b5ef4..7b5386017 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -94,6 +94,7 @@ FetchContent_MakeAvailable(Eigen)
 # -----------------------------------------------------------------------------
 # pybind11 is a library used to create Python bindings of existing C++ code.
 #
+set(PYBIND11_PYTHON_VERSION 3.8 CACHE STRING "")
 FetchContent_Declare(
     pybind11
     GIT_REPOSITORY https://github.com/pybind/pybind11