diff --git a/pam.spec b/pam.spec
index e424c5c..f6d0108 100644
--- a/pam.spec
+++ b/pam.spec
@@ -80,8 +80,8 @@ Requires: pam = %{version}-%{release}
 Obsoletes: pam-docs < 1.5.2-6
 Provides: pam-docs = %{version}-%{release}
 BuildArch: noarch
-BuildRequires: docbook-dtds
-BuildRequires: docbook-style-xsl
+BuildRequires: docbook5-schemas
+BuildRequires: docbook5-style-xsl
 BuildRequires: elinks
 BuildRequires: libxslt
 BuildRequires: linuxdoc-tools
@@ -359,6 +359,7 @@ done
 - Drop pam-1.5.2-pwhistory-config.patch and pam-1.5.2-configure-c99.patch,
   as those patches are implemented upstream
 - Realign left-over patches
+- Update build requirements for documentation (docbook5)
 
 * Tue Apr 25 2023 Björn Esser <besser82@fedoraproject.org> - 1.5.2-19
 - Replace deprecated '%%patchN' with '%%patch -P N'