diff --git a/third_party/default.nix b/third_party/default.nix
index 159740490..c943008a8 100644
--- a/third_party/default.nix
+++ b/third_party/default.nix
@@ -68,6 +68,7 @@ let
       nix
       openssh
       openssl
+      pandoc
       parallel
       pkgconfig
       protobuf