diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index ffe99da86922..780717db56b8 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -487,7 +487,7 @@ rec {
           nghttp2.lib
           coreutils
           gnugrep
-          pcre.out
+          gnugrep.pcre2.out
           gmp
           libiconv
           brotli.lib
@@ -563,7 +563,7 @@ rec {
           nghttp2.lib
           coreutils
           gnugrep
-          pcre.out
+          gnugrep.pcre2.out
           gmp
           libiconv
           brotli.lib
@@ -587,8 +587,9 @@ rec {
       persistent = self: super: with prevStage; {
         inherit
           gnumake gzip gnused bzip2 ed xz patch bash python3
-          ncurses libffi zlib gmp pcre gnugrep cmake
+          ncurses libffi zlib gmp gnugrep cmake
           coreutils findutils diffutils patchutils ninja libxml2;
+        inherit (gnugrep) pcre2;
 
         # Hack to make sure we don't link ncurses in bootstrap tools. The proper
         # solution is to avoid passing -L/nix-store/...-bootstrap-tools/lib,
@@ -643,8 +644,9 @@ rec {
       persistent = self: super: with prevStage; {
         inherit
           gnumake gzip gnused bzip2 gawk ed xz patch bash
-          ncurses libffi zlib gmp pcre gnugrep
+          ncurses libffi zlib gmp gnugrep
           coreutils findutils diffutils patchutils pbzx;
+        inherit (gnugrep) pcre2;
 
         darwin = super.darwin.overrideScope (_: _: {
           inherit (darwin) dyld ICU Libsystem Csu libiconv rewrite-tbd;
@@ -734,7 +736,7 @@ rec {
         gawk
         gnugrep
         patch
-        pcre.out
+        gnugrep.pcre2.out
         gettext
         binutils.bintools
         binutils.bintools.lib
diff --git a/pkgs/stdenv/darwin/make-bootstrap-tools.nix b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
index 5433e7afecf9..9c580447a6f4 100644
--- a/pkgs/stdenv/darwin/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
@@ -54,7 +54,7 @@ in rec {
       chmod -R u+w $out/include
       cp -rL ${darwin.ICU}/include* $out/include
       cp -rL ${libiconv}/include/* $out/include
-      cp -rL ${lib.getDev gnugrep.pcre}/include/* $out/include
+      cp -rL ${lib.getDev gnugrep.pcre2}/include/* $out/include
       mv $out/include $out/include-Libsystem
 
       # Copy coreutils, bash, etc.
@@ -86,7 +86,7 @@ in rec {
       cp -d ${libssh2.out}/lib/libssh*.dylib $out/lib
       cp -d ${lib.getLib openssl}/lib/*.dylib $out/lib
 
-      cp -d ${gnugrep.pcre.out}/lib/libpcre*.dylib $out/lib
+      cp -d ${gnugrep.pcre2.out}/lib/libpcre2*.dylib $out/lib
       cp -d ${lib.getLib libiconv}/lib/lib*.dylib $out/lib
       cp -d ${lib.getLib gettext}/lib/libintl*.dylib $out/lib
       chmod +x $out/lib/libintl*.dylib
diff --git a/pkgs/stdenv/linux/default.nix b/pkgs/stdenv/linux/default.nix
index 6a743f60c9b2..20e988444559 100644
--- a/pkgs/stdenv/linux/default.nix
+++ b/pkgs/stdenv/linux/default.nix
@@ -639,7 +639,7 @@ in
           ]
         # Library dependencies
         ++ map getLib (
-            [ attr acl zlib pcre libidn2 libunistring ]
+            [ attr acl zlib gnugrep.pcre2 libidn2 libunistring ]
             ++ lib.optional (gawk.libsigsegv != null) gawk.libsigsegv
           )
         # More complicated cases
@@ -658,7 +658,8 @@ in
         inherit (prevStage)
           gzip bzip2 xz bash coreutils diffutils findutils gawk
           gnused gnutar gnugrep gnupatch patchelf
-          attr acl zlib pcre libunistring;
+          attr acl zlib libunistring;
+        inherit (prevStage.gnugrep) pcre2;
         ${localSystem.libc} = getLibc prevStage;
 
         # Hack: avoid libidn2.{bin,dev} referencing bootstrap tools.  There's a logical cycle.
diff --git a/pkgs/stdenv/linux/make-bootstrap-tools.nix b/pkgs/stdenv/linux/make-bootstrap-tools.nix
index 06750e5c7138..d6c4da0ab2be 100644
--- a/pkgs/stdenv/linux/make-bootstrap-tools.nix
+++ b/pkgs/stdenv/linux/make-bootstrap-tools.nix
@@ -130,7 +130,7 @@ in with pkgs; rec {
         cp -d ${patch}/bin/* $out/bin
         cp ${patchelf}/bin/* $out/bin
 
-        cp -d ${gnugrep.pcre.out}/lib/libpcre*.so* $out/lib # needed by grep
+        cp -d ${gnugrep.pcre2.out}/lib/libpcre2*.so* $out/lib # needed by grep
 
         # Copy what we need of GCC.
         cp -d ${bootGCC.out}/bin/gcc $out/bin
diff --git a/pkgs/tools/text/gnugrep/default.nix b/pkgs/tools/text/gnugrep/default.nix
index 9b6936ec9b65..992645a15db5 100644
--- a/pkgs/tools/text/gnugrep/default.nix
+++ b/pkgs/tools/text/gnugrep/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pcre, libiconv, perl, autoreconfHook }:
+{ lib, stdenv, fetchurl, pcre2, libiconv, perl, autoreconfHook }:
 
 # Note: this package is used for bootstrapping fetchurl, and thus
 # cannot use fetchpatch! All mutable patches (generated by GitHub or
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   nativeCheckInputs = [ perl ];
   outputs = [ "out" "info" ]; # the man pages are rather small
 
-  buildInputs = [ pcre libiconv ];
+  buildInputs = [ pcre2 libiconv ];
 
   # cygwin: FAIL: multibyte-white-space
   # freebsd: FAIL mb-non-UTF8-performance
@@ -63,5 +63,7 @@ stdenv.mkDerivation {
     mainProgram = "grep";
   };
 
-  passthru = {inherit pcre;};
+  passthru = {
+    inherit pcre2;
+  };
 }