diff --git a/cabal.project b/cabal.project
index bcda8d505667..aa813291807a 100644
--- a/cabal.project
+++ b/cabal.project
@@ -8,3 +8,8 @@ constraints: skylighting-format-blaze-html >= 0.1.1.3,
              skylighting-format-context >= 0.1.0.2,
              -- for now (commercialhaskell/stackage#7545):
              data-default-class <= 0.2, data-default <= 0.8
+
+source-repository-package
+  type: git
+  location: https://github.com/jgm/typst-hs.git
+  tag: 109ad055af75c9dcf51a7d188b6ef750ac3ef7c1
diff --git a/stack.yaml b/stack.yaml
index f281ce63a8d2..168007ddcf31 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -15,6 +15,8 @@ extra-deps:
 - skylighting-0.14.6
 - skylighting-format-typst-0.1
 - texmath-0.12.8.13
+- git: https://github.com/jgm/typst-hs.git
+  commit: 109ad055af75c9dcf51a7d188b6ef750ac3ef7c1
 ghc-options:
    "$locals": -fhide-source-paths -Wno-missing-home-modules
 resolver: lts-23.0