diff --git a/data/supported-extensions b/data/supported-extensions
index 6add410..8b672c3 100644
--- a/data/supported-extensions
+++ b/data/supported-extensions
@@ -87,7 +87,7 @@ smbclient 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2
 snmp 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2
 snuffleupagus 7.0 7.1 7.2 7.3 7.4 8.0 8.1
 soap 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2
-sockets 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1
+sockets 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2
 sodium 5.6 7.0 7.1 8.2
 solr 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0
 sourceguardian 5.5 5.6 7.0 7.1 7.2 7.3 7.4 8.0
diff --git a/install-php-extensions b/install-php-extensions
index bb90065..9955a35 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -1106,6 +1106,11 @@ buildRequiredPackageLists() {
 			soap@debian)
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libxml2-dev"
 				;;
+			sockets@alpine)
+				if test $PHP_MAJMIN_VERSION -ge 802; then
+					buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile linux-headers"
+				fi
+				;;
 			sodium@alpine | libsodium@alpine)
 				buildRequiredPackageLists_persistent="$buildRequiredPackageLists_persistent libsodium"
 				buildRequiredPackageLists_volatile="$buildRequiredPackageLists_volatile libsodium-dev"