diff --git a/php/conf.d/igbinary.ini b/php/conf.d/igbinary.ini
new file mode 100644
index 0000000..20ac5ae
--- /dev/null
+++ b/php/conf.d/igbinary.ini
@@ -0,0 +1,6 @@
+[igbinary]
+extension=igbinary.so
+
+; Enable or disable compacting of duplicate strings
+; The default is On.
+;igbinary.compact_strings=On
diff --git a/php/conf.d/memcached.ini b/php/conf.d/memcached.ini
new file mode 100644
index 0000000..a47631b
--- /dev/null
+++ b/php/conf.d/memcached.ini
@@ -0,0 +1,2 @@
+; this extension requires igbinary to be activated as well
+extension=memcached.so
diff --git a/php/php.ini b/php/php.ini
index 1d2965d..8b26120 100644
--- a/php/php.ini
+++ b/php/php.ini
@@ -938,7 +938,6 @@ extension=gmp
 extension=iconv
 extension=intl
 ;extension=ldap
-extension=memcached
 extension=mysqli
 ;extension=odbc
 ;zend_extension=opcache