diff --git a/.ruby-version b/.ruby-version
index a603bb50a..49cdd668e 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.5
+2.7.6
diff --git a/Dockerfile b/Dockerfile
index a11558599..5d459ff65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG base_image=ruby:2.7.5-slim
+ARG base_image=ruby:2.7.6-slim
 
 FROM $base_image AS builder