diff --git a/.gitmodules b/.gitmodules
index c6383db7..d487c0f3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "vendor/cmark-gfm"]
 	path = vendor/cmark-gfm
-	url = https://github.com/kivikakk/cmark-gfm.git
+	url = https://github.com/github/cmark-gfm.git
 [submodule "vendor/pulldown-cmark"]
 	path = vendor/pulldown-cmark
 	url = https://github.com/raphlinus/pulldown-cmark.git
diff --git a/vendor/cmark-gfm b/vendor/cmark-gfm
index 2f13eeed..587a12bb 160000
--- a/vendor/cmark-gfm
+++ b/vendor/cmark-gfm
@@ -1 +1 @@
-Subproject commit 2f13eeedfe9906c72a1843b03552550af7bee29a
+Subproject commit 587a12bb54d95ac37241377e6ddc93ea0e45439b
diff --git a/vendor/markdown-it b/vendor/markdown-it
index c2919dd0..53711698 160000
--- a/vendor/markdown-it
+++ b/vendor/markdown-it
@@ -1 +1 @@
-Subproject commit c2919dd0b123f3aeb9264a6a6ec8a0d01cfbe19f
+Subproject commit 537116980ae6414a5dfa945149ae3a13f27dd4ae
diff --git a/vendor/pulldown-cmark b/vendor/pulldown-cmark
index 34c2bb51..dadad5f9 160000
--- a/vendor/pulldown-cmark
+++ b/vendor/pulldown-cmark
@@ -1 +1 @@
-Subproject commit 34c2bb51a48a27c92d0ab48327c73276d6978ae6
+Subproject commit dadad5f92de6d1140b4ce39e8d05f0cabff01a9a