diff --git a/externals/packages/fujproj/default.nix b/externals/packages/fujproj/default.nix
index 748668d..9bc272f 100644
--- a/externals/packages/fujproj/default.nix
+++ b/externals/packages/fujproj/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cmake, pkgconfig, libusb1, libftdi1 }:
+{ stdenv, lib, fetchFromGitHub, cmake, pkgconfig, libusb1, libftdi1 }:
 
 stdenv.mkDerivation rec {
   pname = "fujprog";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ libftdi1 libusb1 ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "FPGA JTAG programmer for ULX2/3S boards";
     homepage = "https://github.com/kost/fujprog";
     license = licenses.bsd2;
diff --git a/externals/packages/hll2300d/default.nix b/externals/packages/hll2300d/default.nix
index 27a63ed..d00a543 100644
--- a/externals/packages/hll2300d/default.nix
+++ b/externals/packages/hll2300d/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cups, dpkg, gnused, makeWrapper, ghostscript, file, a2ps, coreutils, gawk, perl, gnugrep, which }:
+{ stdenv, lib, fetchurl, cups, dpkg, gnused, makeWrapper, ghostscript, file, a2ps, coreutils, gawk, perl, gnugrep, which }:
 let
   version = "3.2.0-1";
   lprdeb = fetchurl {
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
           $out/opt/brother/Printers/HLL2300D/cupswrapper/paperconfigml1 \
         ; do
           wrapProgram $f \
-            --prefix PATH : ${stdenv.lib.makeBinPath [
+            --prefix PATH : ${lib.makeBinPath [
               coreutils
     ghostscript
     gnugrep
@@ -56,10 +56,10 @@ stdenv.mkDerivation {
         ln -s $out/opt/brother/Printers/HLL2300D/cupswrapper/brother-HLL2300D-cups-en.ppd $out/share/cups/model/
 
         wrapProgram $out/opt/brother/Printers/HLL2300D/lpd/filter_HLL2300D \
-          --prefix PATH ":" ${ stdenv.lib.makeBinPath [ ghostscript a2ps file gnused gnugrep coreutils which ] }
+          --prefix PATH ":" ${lib.makeBinPath [ ghostscript a2ps file gnused gnugrep coreutils which ] }
   '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     homepage = "http://www.brother.com/";
     description = "Brother hl-l2300dw printer driver";
     license = licenses.unfree;
diff --git a/externals/packages/jlink/default.nix b/externals/packages/jlink/default.nix
index e0f4903..852d7b6 100644
--- a/externals/packages/jlink/default.nix
+++ b/externals/packages/jlink/default.nix
@@ -1,4 +1,5 @@
 { stdenv
+, lib
 , fetchurl
 , autoPatchelfHook
 , substituteAll
@@ -82,7 +83,7 @@ stdenv.mkDerivation rec {
     patchelf --add-needed libudev.so.1 $out/JLink/libjlinkarm.so
   '';
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     homepage = "https://www.segger.com/downloads/jlink";
     description = "SEGGER J-Link";
     license = licenses.unfree;