diff --git a/.travis.yml b/.travis.yml
index 089c840..e34bff8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,15 +39,15 @@ env:
     - OPENSSL_PREFIX=/opt/ssl
     - OPENSSL_LIB=$OPENSSL_PREFIX/lib
     - OPENSSL_INC=$OPENSSL_PREFIX/include
-    - OPENSSL_VER=1.1.1k
+    - OPENSSL_VER=1.1.1l
   jobs:
-    - NGINX_VERSION=1.19.9 DB_VERSION=mysql:5.7
-    - NGINX_VERSION=1.19.9 DB_VERSION=mysql:8.0
-    - NGINX_VERSION=1.19.9 DB_VERSION=mariadb:5.5
-    - NGINX_VERSION=1.19.9 DB_VERSION=mariadb:10.0
-    - NGINX_VERSION=1.19.9 DB_VERSION=mariadb:10.1
-    - NGINX_VERSION=1.19.9 DB_VERSION=mariadb:10.2
-    - NGINX_VERSION=1.19.9 DB_VERSION=mariadb:10.3
+    - NGINX_VERSION=1.21.4 DB_VERSION=mysql:5.7
+    - NGINX_VERSION=1.21.4 DB_VERSION=mysql:8.0
+    - NGINX_VERSION=1.21.4 DB_VERSION=mariadb:5.5
+    - NGINX_VERSION=1.21.4 DB_VERSION=mariadb:10.0
+    - NGINX_VERSION=1.21.4 DB_VERSION=mariadb:10.1
+    - NGINX_VERSION=1.21.4 DB_VERSION=mariadb:10.2
+    - NGINX_VERSION=1.21.4 DB_VERSION=mariadb:10.3
 
 install:
   - if [ ! -d download-cache ]; then mkdir download-cache; fi