diff --git a/Library/Homebrew/os/mac/pkgconfig/13/expat.pc b/Library/Homebrew/os/mac/pkgconfig/13/expat.pc
index a22716c643..9c12985c27 100644
--- a/Library/Homebrew/os/mac/pkgconfig/13/expat.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/13/expat.pc
@@ -5,8 +5,9 @@ libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: expat
-Version: 2.4.1
+Version: 2.4.8
 Description: expat XML parser
-URL: http://www.libexpat.org
+URL: https://libexpat.github.io/
 Libs: -L${libdir} -lexpat
+Libs.private:
 Cflags:
diff --git a/Library/Homebrew/os/mac/pkgconfig/13/libcurl.pc b/Library/Homebrew/os/mac/pkgconfig/13/libcurl.pc
index dbf9f0f27b..fecf42ffd4 100644
--- a/Library/Homebrew/os/mac/pkgconfig/13/libcurl.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/13/libcurl.pc
@@ -5,7 +5,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 2001 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 2001 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -18,6 +18,8 @@
 # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 # KIND, either express or implied.
 #
+# SPDX-License-Identifier: curl
+#
 ###########################################################################
 
 # This should most probably benefit from getting a "Requires:" field added
@@ -34,7 +36,7 @@ supported_features="alt-svc AsynchDNS GSS-API HSTS HTTP2 HTTPS-proxy IPv6 Kerber
 Name: libcurl
 URL: https://curl.se/
 Description: Library to transfer files with ftp, http, etc.
-Version: 7.79.1
+Version: 7.84.0
 Libs: -L${libdir} -lcurl
 Libs.private: -lldap -lz
 Cflags:
diff --git a/Library/Homebrew/os/mac/pkgconfig/13/libexslt.pc b/Library/Homebrew/os/mac/pkgconfig/13/libexslt.pc
index 9c3b1be35f..75f17f232f 100644
--- a/Library/Homebrew/os/mac/pkgconfig/13/libexslt.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/13/libexslt.pc
@@ -8,6 +8,7 @@ includedir=${prefix}/include
 Name: libexslt
 Version: 0.8.20
 Description: EXSLT Extension library
-Requires: libxml-2.0
-Libs: -L${libdir} -lexslt -lxslt  -lxml2 -lz -lpthread -licucore -lm
+Requires: libxml-2.0, libxslt
 Cflags:
+Libs: -L${libdir} -lexslt
+Libs.private:
diff --git a/Library/Homebrew/os/mac/pkgconfig/13/libxslt.pc b/Library/Homebrew/os/mac/pkgconfig/13/libxslt.pc
index 7c7c57f42f..63f2409298 100644
--- a/Library/Homebrew/os/mac/pkgconfig/13/libxslt.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/13/libxslt.pc
@@ -9,5 +9,6 @@ Name: libxslt
 Version: 1.1.35
 Description: XSLT library version 2.
 Requires: libxml-2.0
-Libs: -L${libdir} -lxslt  -lxml2 -lz -lpthread -licucore -lm
 Cflags:
+Libs: -L${libdir} -lxslt
+Libs.private:
diff --git a/Library/Homebrew/os/mac/pkgconfig/13/sqlite3.pc b/Library/Homebrew/os/mac/pkgconfig/13/sqlite3.pc
index dac932dad7..e5fac29f3c 100644
--- a/Library/Homebrew/os/mac/pkgconfig/13/sqlite3.pc
+++ b/Library/Homebrew/os/mac/pkgconfig/13/sqlite3.pc
@@ -6,7 +6,7 @@ includedir=${prefix}/include
 
 Name: SQLite
 Description: SQL database engine
-Version: 3.37.0
+Version: 3.39.4
 Libs: -L${libdir} -lsqlite3
 Libs.private:
 Cflags: