diff --git a/meta/recipes-devtools/pkgconf/pkgconf_2.5.1.bb b/meta/recipes-devtools/pkgconf/pkgconf_2.9.90.bb
similarity index 79%
rename from meta/recipes-devtools/pkgconf/pkgconf_2.5.1.bb
rename to meta/recipes-devtools/pkgconf/pkgconf_2.9.90.bb
index 277ef9786c..a05dceeae0 100644
--- a/meta/recipes-devtools/pkgconf/pkgconf_2.5.1.bb
+++ b/meta/recipes-devtools/pkgconf/pkgconf_2.9.90.bb
@@ -1,3 +1,23 @@
+# FIXME: the LIC_FILES_CHKSUM values have been updated by 'devtool upgrade'.
+# The following is the difference between the old and the new license text.
+# Please update the LICENSE value if needed, and summarize the changes in
+# the commit message via 'License-Update:' tag.
+# (example: 'License-Update: copyright years updated.')
+#
+# The changes:
+#
+# --- COPYING
+# +++ COPYING
+# @@ -1,5 +1,4 @@
+# -Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
+# -    pkgconf authors (see AUTHORS file in source directory).
+# +Copyright (c) 2011-2026 pkgconf authors (see AUTHORS file in source directory).
+#  
+#  Permission to use, copy, modify, and/or distribute this software for any
+#  purpose with or without fee is hereby granted, provided that the above
+# 
+#
+
 SUMMARY = "pkgconf provides compiler and linker configuration for development frameworks."
 DESCRIPTION = "pkgconf is a program which helps to configure compiler and linker \
 flags for development frameworks. It is similar to pkg-config from \
@@ -12,7 +32,7 @@ RPROVIDES:${PN} += "pkgconfig"
 # The pkgconf license seems to be functionally equivalent to BSD-2-Clause or
 # ISC, but has different wording, so needs its own name.
 LICENSE = "pkgconf"
-LIC_FILES_CHKSUM = "file://COPYING;md5=2214222ec1a820bd6cc75167a56925e0"
+LIC_FILES_CHKSUM = "file://COPYING;md5=1e33c297f35e165ecf4fbc81974dc9ca"
 
 SRC_URI = "\
     https://distfiles.ariadne.space/pkgconf/pkgconf-${PV}.tar.xz \
@@ -20,7 +40,7 @@ SRC_URI = "\
     file://pkg-config-native.in \
     file://pkg-config-esdk.in \
 "
-SRC_URI[sha256sum] = "cd05c9589b9f86ecf044c10a2269822bc9eb001eced2582cfffd658b0a50c243"
+SRC_URI[sha256sum] = "24fd9d086d06a4abbbc74117ae4737c93c2d890afe7e9816558b6276a71357ec"
 
 inherit autotools pkgconfig