diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 9fd66de5efc3..615ddf5e866c 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -1588,6 +1588,9 @@ let
       buildInputs = [ cacert ] ++ attrs.buildInputs;
     });
 
+    float = old.float.overrideAttrs (attrs: {
+      enableParallelBuilding = false;
+    });
 
     immunotation = let
       MHC41alleleList = fetchurl {