diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index d3ee1377007..d8d715a6b32 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1217,8 +1217,11 @@ self: super: {
 
   # Use latest pandoc despite what LTS says.
   # Test suite fails in both 2.5 and 2.6: https://github.com/jgm/pandoc/issues/5309.
+  cmark-gfm = self.cmark-gfm_0_2_0;
   pandoc = doDistribute super.pandoc_2_7_3;
   pandoc-citeproc = doDistribute super.pandoc-citeproc_0_16_2;
+  skylighting = self.skylighting_0_8_1_1;
+  skylighting-core = self.skylighting-core_0_8_1_1;
 
   # Current versions of tasty-hedgehog need hedgehog 1.x, which
   # we don't have in LTS-13.x.