diff --git a/conf/config.defaults b/conf/config.defaults
index c8bc3a7..c519eae 100644
--- a/conf/config.defaults
+++ b/conf/config.defaults
@@ -38,6 +38,7 @@ render-comment-cmd = /usr/local/bin/aurweb-rendercomment
 localedir = /srv/http/aurweb/aur.git/web/locale/
 # memcache or apc
 cache = none
+cache_pkginfo_ttl = 86400
 memcache_servers = 127.0.0.1:11211
 
 [ratelimit]
diff --git a/web/lib/aurjson.class.php b/web/lib/aurjson.class.php
index bfb8cd1..1c31a65 100644
--- a/web/lib/aurjson.class.php
+++ b/web/lib/aurjson.class.php
@@ -292,7 +292,8 @@ class AurJSON {
 			"FROM Licenses INNER JOIN PackageLicenses " .
 			"ON PackageLicenses.PackageID = " . $pkgid . " " .
 			"AND PackageLicenses.LicenseID = Licenses.ID";
-		$rows = db_cache_result($query, 'extended-fields:' . $pkgid, PDO::FETCH_ASSOC);
+		$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+		$rows = db_cache_result($query, 'extended-fields:' . $pkgid, PDO::FETCH_ASSOC, $ttl);
 
 		$type_map = array(
 			'depends' => 'Depends',
@@ -315,7 +316,8 @@ class AurJSON {
 			$query = "SELECT Keyword FROM PackageKeywords " .
 				"WHERE PackageBaseID = " . intval($base_id) . " " .
 				"ORDER BY Keyword ASC";
-			$rows = db_cache_result($query, 'keywords:' . intval($base_id));
+			$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+			$rows = db_cache_result($query, 'keywords:' . intval($base_id), PDO::FETCH_NUM, $ttl);
 			$data['Keywords'] = array_map(function ($x) { return $x[0]; }, $rows);
 		}
 
diff --git a/web/lib/pkgfuncs.inc.php b/web/lib/pkgfuncs.inc.php
index be4bb06..b5035df 100644
--- a/web/lib/pkgfuncs.inc.php
+++ b/web/lib/pkgfuncs.inc.php
@@ -165,7 +165,8 @@ function pkg_licenses($pkgid) {
 	$q = "SELECT l.Name FROM Licenses l ";
 	$q.= "INNER JOIN PackageLicenses pl ON pl.LicenseID = l.ID ";
 	$q.= "WHERE pl.PackageID = ". $pkgid;
-	$rows = db_cache_result($q, 'licenses:' . $pkgid);
+	$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+	$rows = db_cache_result($q, 'licenses:' . $pkgid, PDO::FETCH_NUM, $ttl);
 	return array_map(function ($x) { return $x[0]; }, $rows);
 }
 
@@ -184,7 +185,8 @@ function pkg_groups($pkgid) {
 	$q = "SELECT g.Name FROM `Groups` g ";
 	$q.= "INNER JOIN PackageGroups pg ON pg.GroupID = g.ID ";
 	$q.= "WHERE pg.PackageID = ". $pkgid;
-	$rows = db_cache_result($q, 'groups:' . $pkgid);
+	$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+	$rows = db_cache_result($q, 'groups:' . $pkgid, PDO::FETCH_NUM, $ttl);
 	return array_map(function ($x) { return $x[0]; }, $rows);
 }
 
@@ -208,7 +210,8 @@ function pkg_providers($name) {
 	$q.= "UNION ";
 	$q.= "SELECT 0, Name FROM OfficialProviders ";
 	$q.= "WHERE Provides = " . $dbh->quote($name);
-	return db_cache_result($q, 'providers:' . $name);
+	$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+	return db_cache_result($q, 'providers:' . $name, PDO::FETCH_NUM, $ttl);
 }
 
 /**
@@ -231,7 +234,8 @@ function pkg_dependencies($pkgid, $limit) {
 	$q.= "LEFT JOIN DependencyTypes dt ON dt.ID = pd.DepTypeID ";
 	$q.= "WHERE pd.PackageID = ". $pkgid . " ";
 	$q.= "ORDER BY pd.DepName LIMIT " . intval($limit);
-	return db_cache_result($q, 'dependencies:' . $pkgid);
+	$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+	return db_cache_result($q, 'dependencies:' . $pkgid, PDO::FETCH_NUM, $ttl);
 }
 
 /**
@@ -251,7 +255,8 @@ function pkg_relations($pkgid) {
 	$q.= "LEFT JOIN RelationTypes rt ON rt.ID = pr.RelTypeID ";
 	$q.= "WHERE pr.PackageID = ". $pkgid . " ";
 	$q.= "ORDER BY pr.RelName";
-	return db_cache_result($q, 'relations:' . $pkgid);
+	$ttl = config_get_int('options', 'cache_pkginfo_ttl');
+	return db_cache_result($q, 'relations:' . $pkgid, PDO::FETCH_NUM, $ttl);
 }
 
 /**