diff --git a/.gitmodules b/.gitmodules
index ee86091d2d5b528452bcf4dafe0e156f29f55cde..081c7b810e0db9217fd7dd6e73d1df88c1fcfdca 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "libs/spdlog"]
 	path = libs/spdlog
-	url = https://github.com/gabime/spdlog/
+	url = https://github.com/gabime/spdlog.git
 [submodule "libs/imgui"]
 	path = libs/imgui
-	url = https://github.com/ocornut/imgui
+	url = https://github.com/ocornut/imgui.git
diff --git a/libs/imgui b/libs/imgui
new file mode 160000
index 0000000000000000000000000000000000000000..532aa5a69bbec87560639702d78a2df97a4be2a0
--- /dev/null
+++ b/libs/imgui
@@ -0,0 +1 @@
+Subproject commit 532aa5a69bbec87560639702d78a2df97a4be2a0
diff --git a/libs/spdlog b/libs/spdlog
new file mode 160000
index 0000000000000000000000000000000000000000..17c6e6ee3fe720f78bafb5c0d5ce03155cb903cf
--- /dev/null
+++ b/libs/spdlog
@@ -0,0 +1 @@
+Subproject commit 17c6e6ee3fe720f78bafb5c0d5ce03155cb903cf