diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 994b6349a616..2f77d969e85b 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -605,6 +605,7 @@ let
     s2 = [ pkgs.openssl.dev ];
     ArrayExpressHTS = with pkgs; [ zlib.dev curl.dev which ];
     bbl = with pkgs; [ gsl ];
+    diffHic = with pkgs; [ xz.dev bzip2.dev ];
     writexl = with pkgs; [ zlib.dev ];
     xslt = with pkgs; [ libxslt libxml2 ];
     qpdf = with pkgs; [ libjpeg.dev zlib.dev ];