diff --git a/Dockerfile b/Dockerfile
index c2137f0..84ef115 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM ruby:2.6.3
+FROM ruby:2.6.4
 
-LABEL version="2.6.3"
+LABEL version="2.6.4"
 LABEL maintainer="Ain Tohvri <ain.tohvri@savings-united.com>"
 
 RUN echo "deb http://packages.cloud.google.com/apt cloud-sdk-jessie main" | tee /etc/apt/sources.list.d/google-cloud-sdk.list && \
diff --git a/README.md b/README.md
index 7e4fc50..5101edb 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Google Cloud capable Docker image for Ruby.
 
 ## Features
 
-- Ruby 2.6.3
+- Ruby 2.6.4
 - gcloud
 - cloudsql
 - Bundler