diff --git a/.gitmodules b/.gitmodules
index e45b4f8..1ae1994 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,12 +1,14 @@
 [submodule "External/Imgui"]
 	path = External/Imgui
 	url = https://github.com/ocornut/imgui.git
+	# Pinned to v1.93.0 (c1aaac65e)
+
 [submodule "Juliet/external/xxHash"]
 	path = Juliet/external/xxHash
 	url = https://github.com/Cyan4973/xxHash.git
-[submodule "Juliet/Juliet/external/stb"]
-	path = Juliet/Juliet/external/stb
-	url = https://github.com/nothings/stb.git
+	# Pinned to v0.8.4 (c87183a77)
+
 [submodule "Juliet/external/stb_sprintf"]
 	path = Juliet/external/stb_sprintf
 	url = https://github.com/nothings/stb_sprintf.git
+	# Pinned to v1.10 / commit 2ffb3379e
diff --git a/External/Imgui b/External/Imgui
index 9b7699f..c1aaac6 160000
--- a/External/Imgui
+++ b/External/Imgui
@@ -1 +1 @@
-Subproject commit 9b7699f32597e7c7a799f22b1860ac586c2857b9
+Subproject commit c1aaac65e896a45f81f47a4d68f9959e0f86c859
diff --git a/Juliet/Juliet/external/stb b/Juliet/Juliet/external/stb
deleted file mode 160000
index 003501f..0000000
--- a/Juliet/Juliet/external/stb
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 003501f6d7a8668ce8b6d875e34dd97ad0d5d5b5