diff --git a/sql/schema.sql b/sql/schema.sql
index 1f33a4b..82bd9d4 100644
--- a/sql/schema.sql
+++ b/sql/schema.sql
@@ -243,7 +243,8 @@ INSERT INTO systems (id, name, release, short, relorder) VALUES
   (190,'Debian',     '10.0',  'debian-buster',   14),
   (191,'Fedora',     '30',    'fedora-30',       29),
   (192,'FreeBSD',    '11.3',  'freebsd-11.3',    64),
-  (193,'Ubuntu',     '19.10', 'ubuntu-eoan',     30);
+  (193,'Ubuntu',     '19.10', 'ubuntu-eoan',     30),
+  (194,'CentOS',     '7.7',   'centos-7.7',      51);
 
 
 -- Removes any path components and compression extensions from the filename.
diff --git a/util/centos.sh b/util/centos.sh
index ee879d2..8364d28 100755
--- a/util/centos.sh
+++ b/util/centos.sh
@@ -186,6 +186,9 @@ case "$1" in
     7.6)
         centc 7.6 7.6.1810 $CMIRROR
         ;;
+    7.7)
+        centc 7.7 7.7.1908 $CMIRROR
+        ;;
     old)
         $0 2.1
         $0 3.1
@@ -238,7 +241,7 @@ case "$1" in
         ;;
     current)
         $0 6.10 # till 2020-11-30
-        $0 7.6  # till 2024-06-30
+        $0 7.7  # till 2024-06-30
         ;;
     all)
         $0 old