diff --git a/.bundler-version b/.bundler-version
index 73462a5..aedc15b 100644
--- a/.bundler-version
+++ b/.bundler-version
@@ -1 +1 @@
-2.5.1
+2.5.3
diff --git a/.rubygems-version b/.rubygems-version
index d5c0c99..444877d 100644
--- a/.rubygems-version
+++ b/.rubygems-version
@@ -1 +1 @@
-3.5.1
+3.5.3