diff --git a/doc/Makefile b/doc/Makefile
index 2ca03b61..4a546342 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -74,7 +74,8 @@ export RM
 
 PANDOC=$(shell which pandoc)
 
-PANDOC_PARAMS=-r markdown+simple_tables+table_captions+yaml_metadata_block+definition_lists+raw_html+markdown_in_html_blocks
+PANDOC_PARAMS=-r markdown+simple_tables+table_captions+yaml_metadata_block+definition_lists+raw_html+markdown_in_html_blocks \
+			  --filter pandoc-crossref
 
 PANDOC_CC=$(PANDOC) $(PANDOC_PARAMS)
 
diff --git a/doc/default.nix b/doc/default.nix
index 8268ab25..de19b5da 100644
--- a/doc/default.nix
+++ b/doc/default.nix
@@ -3,6 +3,7 @@
 let
   env = with pkgs.haskellPackages; [
     pandoc
+    pandoc-crossref
 
     (pkgs.texlive.combine {
       inherit (pkgs.texlive)