diff --git a/manifest.dhall b/manifest.dhall
index 414c5593e97d7dc36a80a6a868d01043edc87852..f54fd7abe99de13d1958b413adfde7fda8b139d0 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -325,6 +325,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "lens" "5.2"
     , callHackage "lens-aeson" "1.2.1"
     , callHackage "lens-family-th" "0.5.2.1"
+    , callHackage "libyaml" "0.1.2"
     , callHackage "lifted-async" "0.10.2.1"
     , callHackage "linear" "1.21.10"
     , callCabal2nix
diff --git a/overlay.nix b/overlay.nix
index 112f3c08c5cde0cf6f3161ebdff0c06d76c5b781..3a27f4d53fffc88fa45723bb313124cd36c6db87 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -389,6 +389,8 @@ final: prev: with pkgs.haskell.lib; {
 
   lens-family-th = prev.callPackage (./pkgs/lens-family-th.nix) { };
 
+  libyaml = prev.callPackage (./pkgs/libyaml.nix) { };
+
   lifted-async = prev.callPackage (./pkgs/lifted-async.nix) { };
 
   linear = prev.callPackage (./pkgs/linear.nix) { };
diff --git a/pkgs/libyaml.nix b/pkgs/libyaml.nix
new file mode 100644
index 0000000000000000000000000000000000000000..819841485457d902a7cbdd50f364bc078bf7264e
--- /dev/null
+++ b/pkgs/libyaml.nix
@@ -0,0 +1,23 @@
+{ mkDerivation, base, bytestring, conduit, lib, resourcet }:
+mkDerivation {
+  pname = "libyaml";
+  version = "0.1.2";
+  sha256 = "8f42d66f199fcaee255326f8f770d88b0670df56b5eb78002d6058f3a45e97b5";
+  revision = "1";
+  editedCabalFile = "00f1rag6sd7c8kza2agw9089p9vf21iiga2aq41nbf6d3yqn7dkz";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base bytestring conduit resourcet ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/snoyberg/yaml#readme";
+  description = "Low-level, streaming YAML interface";
+  license = lib.licenses.bsd3;
+  broken = false;
+}