diff --git a/bind-9.18-doc-arm-rhel9.patch b/bind-9.18-doc-arm-rhel9.patch
new file mode 100644
index 0000000..2778e1e
--- /dev/null
+++ b/bind-9.18-doc-arm-rhel9.patch
@@ -0,0 +1,46 @@
+diff --git a/doc/arm/dnssec.inc.rst b/doc/arm/dnssec.inc.rst
+index 0d72000..f4810ae 100644
+--- a/doc/arm/dnssec.inc.rst
++++ b/doc/arm/dnssec.inc.rst
+@@ -282,7 +282,7 @@ NSEC3
+ 
+ To sign using :ref:`NSEC3 <advanced_discussions_nsec3>` instead of :ref:`NSEC
+ <advanced_discussions_nsec>`, add an NSEC3PARAM record to the initial update
+-request. The :term:`OPTOUT <opt-out>` bit in the NSEC3
++request. The :term:`OPTOUT <Opt-out>` bit in the NSEC3
+ chain can be set in the flags field of the
+ NSEC3PARAM record.
+ 
+diff --git a/doc/arm/reference.rst b/doc/arm/reference.rst
+index ef6c1c7..b59b0ac 100644
+--- a/doc/arm/reference.rst
++++ b/doc/arm/reference.rst
+@@ -35,7 +35,7 @@ The file :file:`named.conf` may contain three types of entities:
+ 
+    Block
+       :ref:`Blocks <configuration_blocks>` are containers for :term:`statements
+-      <statement>` which either have common functionality - for example,
++      <Statement>` which either have common functionality - for example,
+       the definition of a cryptographic key in a :namedconf:ref:`key` block - or which
+       define the scope of the statement - for example, a statement which appears
+       in a :namedconf:ref:`zone` block has scope only for that zone.
+@@ -68,7 +68,7 @@ The file :file:`named.conf` may contain three types of entities:
+         more argument/value pairs. The :any:`also-notify` statement may take a number
+         of such argument/value pairs, such as ``also-notify port 5353;``,
+         where ``port`` is the argument and ``5353`` is the corresponding value.
+-      - Statements can appear in a single :term:`block` - for
++      - Statements can appear in a single :term:`block <Block>` - for
+         example, an :namedconf:ref:`algorithm` statement can appear only in a
+         :namedconf:ref:`key` block - or in multiple blocks - for example, an
+         :any:`also-notify` statement can appear in an :namedconf:ref:`options`
+@@ -6550,8 +6550,8 @@ The following options can be specified in a :any:`dnssec-policy` statement:
+     of the indicated length.
+ 
+     .. warning::
+-       Do not use extra :term:`iterations`, :term:`salt`, and
+-       :term:`opt-out` unless their implications are fully understood.
++       Do not use extra :term:`iterations <Iterations>`, :term:`salt <Salt>`, and
++       :term:`opt-out <Opt-out>` unless their implications are fully understood.
+        A higher number of iterations causes interoperability problems and opens
+        servers to CPU-exhausting DoS attacks.
+ 
diff --git a/bind.spec b/bind.spec
index 178f2b9..29f1762 100644
--- a/bind.spec
+++ b/bind.spec
@@ -63,7 +63,7 @@ Summary:  The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
 Name:     bind
 License:  MPLv2.0
 Version:  9.18.7
-Release:  1%{?dist}
+Release:  2%{?dist}
 Epoch:    32
 Url:      https://www.isc.org/downloads/bind/
 #
@@ -106,6 +106,9 @@ Patch24: bind-9.18-pkcs11-engine-compat-api.patch
 Patch25: bind-9.18-pkcs11-engine-remove-deadcode.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=2122010
 Patch26: bind-9.18-unittest-netmgr-unstable.patch
+# Fix building ARM docs in EPEL9
+# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/6815
+Patch27: bind-9.18-doc-arm-rhel9.patch
 
 %{?systemd_ordering}
 Requires:       coreutils
@@ -954,6 +957,9 @@ fi;
 %endif
 
 %changelog
+* Sat Sep 24 2022 Petr Menšík <pemensik@redhat.com> - 32:9.18.7-2
+- Build ARM documentation also with older sphinx on RHEL9
+
 * Wed Sep 21 2022 Petr Menšík <pemensik@redhat.com> - 32:9.18.7-1
 - Update to 9.18.7 (#2128609)