diff --git a/Dockerfiles/mods/Dockerfile-8.1 b/Dockerfiles/mods/Dockerfile-8.1
index 1315f9d..b9a9960 100644
--- a/Dockerfiles/mods/Dockerfile-8.1
+++ b/Dockerfiles/mods/Dockerfile-8.1
@@ -25,7 +25,6 @@ RUN set -eux \
 		libjpeg-dev \
 		libkrb5-dev \
 		libldap2-dev \
-		libmcrypt-dev \
 		libmemcached-dev \
 		libpcre3-dev \
 		libpng-dev \
@@ -196,17 +195,6 @@ RUN set -eux \
 	&& true
 
 
-# -------------------- Installing PHP Extension: mcrypt --------------------
-RUN set -eux \
-	# Installation: Generic
-	# Type:         PECL extension
-	# Default:      Pecl command
-	&& pecl install mcrypt \
-	# Enabling
-	&& docker-php-ext-enable mcrypt \
-	&& true
-
-
 # -------------------- Installing PHP Extension: msgpack --------------------
 RUN set -eux \
 	# Installation: Generic
@@ -640,7 +628,6 @@ RUN set -eux \
 	libfreetype6 \
 	libicu63 \
 	libjpeg62-turbo \
-	libmcrypt4 \
 	libmemcachedutil2 \
 	libpng16-16 \
 	libpq5 \
@@ -742,8 +729,6 @@ RUN set -eux \
 	&& php-fpm -m | grep -oiE '^libxml$' \
 	&& php -m | grep -oiE '^mbstring$' \
 	&& php-fpm -m | grep -oiE '^mbstring$' \
-	&& php -m | grep -oiE '^mcrypt$' \
-	&& php-fpm -m | grep -oiE '^mcrypt$' \
 	&& php -m | grep -oiE '^msgpack$' \
 	&& php-fpm -m | grep -oiE '^msgpack$' \
 	&& php -m | grep -oiE '^memcache$' \
diff --git a/README.md b/README.md
index 3593256..0931448 100644
--- a/README.md
+++ b/README.md
@@ -685,7 +685,7 @@ Check out this table to see which Docker image provides what PHP modules.
   <tr>
    <th>8.1</th>
    <td id="81-base">Core, ctype, curl, date, dom, FFI, fileinfo, filter, ftp, hash, iconv, json, libxml, mbstring, mysqlnd, openssl, pcre, PDO, pdo_sqlite, Phar, posix, readline, Reflection, session, SimpleXML, sodium, SPL, sqlite3, standard, tokenizer, xml, xmlreader, xmlwriter, zlib</td>
-   <td id="81-mods">apcu, bcmath, bz2, calendar, Core, ctype, curl, date, dba, dom, enchant, exif, FFI, fileinfo, filter, ftp, gd, gettext, gmp, hash, iconv, igbinary, imap, intl, json, ldap, libxml, mbstring, mcrypt, memcache, memcached, mongodb, msgpack, mysqli, mysqlnd, OAuth, oci8, openssl, pcntl, pcre, PDO, PDO_Firebird, pdo_mysql, PDO_OCI, pdo_pgsql, pdo_sqlite, pgsql, Phar, posix, pspell, psr, readline, redis, Reflection, session, shmop, SimpleXML, snmp, soap, sockets, sodium, solr, SPL, sqlite3, standard, sysvmsg, sysvsem, sysvshm, tidy, tokenizer, xdebug, xml, xmlreader, xmlwriter, xsl, yaml, Zend OPcache, zip, zlib</td>
+   <td id="81-mods">apcu, bcmath, bz2, calendar, Core, ctype, curl, date, dba, dom, enchant, exif, FFI, fileinfo, filter, ftp, gd, gettext, gmp, hash, iconv, igbinary, imap, intl, json, ldap, libxml, mbstring, memcache, memcached, mongodb, msgpack, mysqli, mysqlnd, OAuth, oci8, openssl, pcntl, pcre, PDO, PDO_Firebird, pdo_mysql, PDO_OCI, pdo_pgsql, pdo_sqlite, pgsql, Phar, posix, pspell, psr, readline, redis, Reflection, session, shmop, SimpleXML, snmp, soap, sockets, sodium, solr, SPL, sqlite3, standard, sysvmsg, sysvsem, sysvshm, tidy, tokenizer, xdebug, xml, xmlreader, xmlwriter, xsl, yaml, Zend OPcache, zip, zlib</td>
   </tr>
  </tbody>
 </table>
diff --git a/build/ansible/group_vars/all/mods.yml b/build/ansible/group_vars/all/mods.yml
index c3f37d8..d299059 100644
--- a/build/ansible/group_vars/all/mods.yml
+++ b/build/ansible/group_vars/all/mods.yml
@@ -467,7 +467,9 @@ extensions_available:
     all:
       type: builtin
   mcrypt:
-    disabled: []
+    # mcrypt 1.0.4 requires PHP 8.1.0 or older
+    # version >= 7.2.0, version <= 8.1.0, excluded versions: 8.1.0
+    disabled: [8.1]
     5.2:
       type: builtin
     5.3: