diff --git a/.ruby-version b/.ruby-version
index 6a6a3d8e3..2714f5313 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.6.1
+2.6.4
diff --git a/Gemfile.lock b/Gemfile.lock
index 900f05ab3..fdf28bd10 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -799,7 +799,7 @@ DEPENDENCIES
   webpush
 
 RUBY VERSION
-   ruby 2.6.1p33
+   ruby 2.6.4p104
 
 BUNDLED WITH
    1.17.3