diff --git a/external/fetch_sources.py b/external/fetch_sources.py
index c2f0377..2b607b4 100644
--- a/external/fetch_sources.py
+++ b/external/fetch_sources.py
@@ -314,9 +314,9 @@
 		"e7b5f0aa5b1b0eadc63a1c624c0ca7f5af133aa857d6a4271b0ef3d0bdb6868e",
 		"renderdoc"),
 	GitRepo(
-		"https://gitlab.khronos.org/spirv/spirv-tools.git",
-		"git@gitlab.khronos.org:spirv/spirv-tools.git",
-		"290dd0d21ea11f3a5778e800ac0dda70b7a60223",
+		"https://github.com/KhronosGroup/SPIRV-Tools.git",
+		None,
+		"323a81fc5e30e43a04e5e22af4cba98ca2a161e6",
 		"spirv-tools"),
 	GitRepo(
 		"https://github.com/KhronosGroup/glslang.git",
diff --git a/external/vulkancts/README.md b/external/vulkancts/README.md
index 66f1021..694b0fd 100644
--- a/external/vulkancts/README.md
+++ b/external/vulkancts/README.md
@@ -253,7 +253,7 @@
 If the submission package covers multiple products, you can list them by appending
 additional `PRODUCT:` lines to the conformance statement. For example:
 
-	CONFORM_VERSION:         vulkan-cts-1.1.6.0
+	CONFORM_VERSION:         vulkan-cts-1.2.1.0
 	PRODUCT:                 Product A
 	PRODUCT:                 Product B
 	...