diff --git a/cabal.project b/cabal.project
index 045fd6a51..41259dedd 100644
--- a/cabal.project
+++ b/cabal.project
@@ -18,6 +18,12 @@ source-repository-package
   location: https://github.com/jgm/djoths.git
   tag: 7cabb69eef81d80688beb4fce6b604ad1ccc5941
 
+source-repository-package
+  type: git
+  location: https://github.com/jgm/commonmark-hs.git
+  tag: 73903fa7723ca2b1a1120063451e9647d1382754
+  subdir: commonmark-extensions
+
 package pandoc
   flags: +embed_data_files +http
 
diff --git a/stack.yaml b/stack.yaml
index 039613b1c..bb1fe2e51 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -26,7 +26,6 @@ extra-deps:
 - doclayout-0.5.0.3
 - commonmark-0.3
 - commonmark-pandoc-0.3
-- commonmark-extensions-0.2.7
 - citeproc-0.13.0.1
 - pandoc-types-1.23.1.2
 - typst-symbols-0.2
@@ -36,6 +35,9 @@ extra-deps:
   commit: 170899673ee31de9096e178605e8da31a36e4185
 - git: https://github.com/jgm/djoths.git
   commit: 7cabb69eef81d80688beb4fce6b604ad1ccc5941
+- git: https://github.com/jgm/commonmark-hs
+  commit: 73903fa7723ca2b1a1120063451e9647d1382754
+  subdirs: [commonmark-extensions]
 
 ghc-options:
    "$locals": -fhide-source-paths -Wno-missing-home-modules