diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 9126e1c5bf30..9392898d1c5b 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -421,6 +421,7 @@ let
     sdcTable = with pkgs; [ gmp glpk ];
     seewave = with pkgs; [ fftw.dev libsndfile.dev ];
     seqinr = [ pkgs.zlib.dev ];
+    webp = [ pkgs.pkg-config ];
     seqminer = with pkgs; [ zlib.dev bzip2 ];
     sf = with pkgs; [ gdal proj geos ];
     terra = with pkgs; [ gdal proj geos ];
@@ -507,6 +508,7 @@ let
     pbdZMQ = [ pkgs.zeromq ] ++ lib.optionals stdenv.isDarwin [ pkgs.darwin.binutils ];
     bigmemory = lib.optionals stdenv.isLinux [ pkgs.libuuid.dev ];
     clustermq = [  pkgs.pkg-config ];
+    webp = [ pkgs.libwebp ];
     RMark = [ pkgs.which ];
     RPushbullet = [ pkgs.which ];
     RCurl = [ pkgs.curl.dev ];