diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 56fad19..b505367 100644
--- a/.gitignore
+++ b/.gitignore
@@ -93,6 +93,9 @@ compile_commands.json
 result
 result-*
 
+# ---> Direnv
+.direnv
+
 # ---> CMake
 CMakeLists.txt.user
 CMakeCache.txt