diff --git a/.env b/.env
index 2e25849b6..f5f849976 100644
--- a/.env
+++ b/.env
@@ -153,7 +153,7 @@ HORIZON_VERSION=2.0.0
 INFLUXDB_VERSION=1.3.4-alpine
 INFLUXDB_INIT_VERSION=2.0.0
 
-MYSQL_VERSION=5.5
+MYSQL_VERSION=5.7
 MYSQL_INIT_VERSION=2.0.0
 
 MEMCACHED_VERSION=1.5.0-alpine
diff --git a/dotenv2 b/dotenv2
index 5b523d7bd..1319b3c79 100644
--- a/dotenv2
+++ b/dotenv2
@@ -136,7 +136,7 @@ NF_SLACK_PROXY=
 INFLUXDB_VERSION=1.3.4-alpine
 INFLUXDB_INIT_VERSION=2.0.0
 
-MYSQL_VERSION=5.5
+MYSQL_VERSION=5.7
 MYSQL_INIT_VERSION=2.0.0
 
 MEMCACHED_VERSION=1.5.0-alpine