diff --git a/.ruby-version b/.ruby-version
index 73462a5a1..aedc15bb0 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.1
+2.5.3
diff --git a/Gemfile.lock b/Gemfile.lock
index ce88fe6e2..4b47b25ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -763,7 +763,7 @@ DEPENDENCIES
   webpush
 
 RUBY VERSION
-   ruby 2.5.0p0
+   ruby 2.5.3p105
 
 BUNDLED WITH
    1.16.5