diff --git a/cabal.project b/cabal.project
index 3d89d63ab..a0875f5fb 100644
--- a/cabal.project
+++ b/cabal.project
@@ -11,9 +11,15 @@ source-repository-package
 source-repository-package
   type: git
   location: https://github.com/jgm/commonmark-hs
-  tag: 4d460b206e0b1872376db86cadf7a4567eeddaed
+  tag: a60de5bb3d9905d0bc9d833e5df643f1130076b2
   subdir: commonmark-pandoc
 
+source-repository-package
+  type: git
+  location: https://github.com/jgm/commonmark-hs
+  tag: a60de5bb3d9905d0bc9d833e5df643f1130076b2
+  subdir: commonmark-extensions
+
 source-repository-package
   type: git
   location: https://github.com/jgm/ipynb.git
diff --git a/stack.yaml b/stack.yaml
index 94121b116..c3f1e0c43 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -29,7 +29,6 @@ extra-deps:
 - pandoc-lua-marshal-0.1.3
 - pandoc-types-1.22.1
 - commonmark-0.2.1.1
-- commonmark-extensions-0.2.2.1
 - citeproc-0.6
 - aeson-pretty-0.8.9
 - unicode-transforms-0.4.0
@@ -39,8 +38,11 @@ extra-deps:
 - git: https://github.com/jgm/ipynb.git
   commit: 00246af10885c2ad4413ace4f69a7e6c88297a08
 - git: https://github.com/jgm/commonmark-hs
-  commit: 4d460b206e0b1872376db86cadf7a4567eeddaed
+  commit: a60de5bb3d9905d0bc9d833e5df643f1130076b2
   subdir: commonmark-pandoc
+- git: https://github.com/jgm/commonmark-hs
+  commit: a60de5bb3d9905d0bc9d833e5df643f1130076b2
+  subdir: commonmark-extensions
 ghc-options:
    "$locals": -fhide-source-paths -Wno-missing-home-modules
 resolver: lts-18.10