diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..06e41a3
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "src/includes/3thparty/abseil-cpp"]
+	path = src/includes/3thparty/abseil-cpp
+	url = https://github.com/abseil/abseil-cpp.git
+[submodule "src/includes/3thparty/skarupke"]
+	path = src/includes/3thparty/skarupke
+	url = https://github.com/skarupke/flat_hash_map.git
diff --git a/src/includes/3thparty/abseil-cpp b/src/includes/3thparty/abseil-cpp
index 08a7e7b..24713a7 160000
--- a/src/includes/3thparty/abseil-cpp
+++ b/src/includes/3thparty/abseil-cpp
@@ -1 +1 @@
-Subproject commit 08a7e7bf972c8451855a5022f2faf3d3655db015
+Subproject commit 24713a7036a81498334807fa5c7ad3cb7c643711