diff --git a/README.md b/README.md
index 7344ab0..c9816b5 100644
--- a/README.md
+++ b/README.md
@@ -20,12 +20,12 @@ MediaWiki is a free and open source software wiki package written in PHP, origin
 **Shipped version:** 1.32.0
 
 **Shipped extension versions:**
-  * [LDAPProvider](https://www.mediawiki.org/wiki/Extension:LDAPProvider): 1.33 Stable
-  * [PluggableAuth](https://www.mediawiki.org/wiki/Extension:PluggableAuth): 1.33 Stable
-  * [LDAPAuthentication2](https://www.mediawiki.org/wiki/Extension:LDAPAuthentication2): 1.33 Stable
+  * [LDAPProvider](https://www.mediawiki.org/wiki/Extension:LDAPProvider): 1.31 Stable
+  * [PluggableAuth](https://www.mediawiki.org/wiki/Extension:PluggableAuth): 1.31 Stable
+  * [LDAPAuthentication2](https://www.mediawiki.org/wiki/Extension:LDAPAuthentication2): 1.31 Stable
   * [LDAPGroups](https://www.mediawiki.org/wiki/Extension:LDAPGroups): 1.31 Stable (**disabled and unused for now**)
-  * [LDAPUserInfo](https://www.mediawiki.org/wiki/Extension:LDAPUserInfo): 1.33 Stable (**disabled and unused for now**)
-  * [LDAPAuthorization](https://www.mediawiki.org/wiki/Extension:LDAPAuthorization): 1.33 Stable (**disabled and unused for now**)
+  * [LDAPUserInfo](https://www.mediawiki.org/wiki/Extension:LDAPUserInfo): 1.31 Stable (**disabled and unused for now**)
+  * [LDAPAuthorization](https://www.mediawiki.org/wiki/Extension:LDAPAuthorization): 1.31 Stable (**disabled and unused for now**)
 
 Some of the extensions are marked as "disabled and unused" because they are not immediately required but are part of the MediaWiki "LDAP Stack" which may be needed in future versions.
 
diff --git a/conf/ldap_authentication2.src b/conf/ldap_authentication2.src
index 9159e10..f237efd 100644
--- a/conf/ldap_authentication2.src
+++ b/conf/ldap_authentication2.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPAuthentication2-REL1_33-421f6ef.tar.gz
-SOURCE_SUM=e29b9fe4c96ee64c1b3d56e0cae21bdf6e9257da70e3a1d29a867bb605b08ef6
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPAuthentication2-REL1_31-8bd6bc8.tar.gz
+SOURCE_SUM=6acbf1d8e483f4b4229aaabcb9dba40df80dfd98a6cffb57a02ad6595104c49d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false
diff --git a/conf/ldap_authorization.src b/conf/ldap_authorization.src
index df1d367..1955bd7 100644
--- a/conf/ldap_authorization.src
+++ b/conf/ldap_authorization.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPAuthorization-REL1_33-0eb9ef4.tar.gz
-SOURCE_SUM=784e95ca493505b564f9dc10b9e83c8cd6e587b95e1272408bb51acf1bf59c09
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPAuthorization-REL1_31-53e1ada.tar.gz
+SOURCE_SUM=442700576895fdc62e0924d69a3fea505f11805609cc31fefcbd112e895a4f48
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false
diff --git a/conf/ldap_groups.src b/conf/ldap_groups.src
index 7fbfdae..922ce51 100644
--- a/conf/ldap_groups.src
+++ b/conf/ldap_groups.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPProvider-REL1_31-3d9d3a3.tar.gz
-SOURCE_SUM=70f428666d6849e58bcb0a116ccff02e3ad60f2f9ff26bdf0e98340473e935e1
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPGroups-REL1_31-6098e11.tar.gz
+SOURCE_SUM=e2e9a0cb06d4d2aa5d33740f7d56f4d287629f927039c2600d3d54892e895a5b
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false
diff --git a/conf/ldap_provider.src b/conf/ldap_provider.src
index c64a282..f474f5e 100644
--- a/conf/ldap_provider.src
+++ b/conf/ldap_provider.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPProvider-REL1_33-344c6c8.tar.gz
-SOURCE_SUM=9f6a17721bb4a11d98c6f427684e6751f45ba12cdabd4dd6919476769b8f92fa
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPProvider-REL1_31-7f81741.tar.gz
+SOURCE_SUM=302cc02f13fbeb8e4423e63f3741eb516c90ad4a37ddfbb8204deb356a5f6008
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false
diff --git a/conf/ldap_userinfo.src b/conf/ldap_userinfo.src
index 95a5608..34953e9 100644
--- a/conf/ldap_userinfo.src
+++ b/conf/ldap_userinfo.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPUserInfo-REL1_33-70783b6.tar.gz
-SOURCE_SUM=c0a9869de599dbfb96175e396573ff2138ecfae24b0e17c5afadf2e86890c4ce
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/LDAPUserInfo-REL1_31-da95a07.tar.gz
+SOURCE_SUM=5c915085506926aa46c1df6b983c9180822e93d7f8fa87359dd5734971a0f8e3
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false
diff --git a/conf/pluggable_auth.src b/conf/pluggable_auth.src
index 6b22978..c7dbedf 100644
--- a/conf/pluggable_auth.src
+++ b/conf/pluggable_auth.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/PluggableAuth-REL1_33-a69f626.tar.gz
-SOURCE_SUM=b6e678bb4b870dd16ac679836ef9b456e94662b5b18d8cfa030d0648383685a0
+SOURCE_URL=https://extdist.wmflabs.org/dist/extensions/PluggableAuth-REL1_31-300ac44.tar.gz
+SOURCE_SUM=703779a4f4f4154ea088e6043e8d3387ec2ae79d6d067c9138aeb2626b463b1f
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=false