diff --git a/2.1/Dockerfile b/2.1/Dockerfile
index d901f23ed..e4cd521a6 100644
--- a/2.1/Dockerfile
+++ b/2.1/Dockerfile
@@ -54,7 +54,7 @@ RUN set -ex \
 	\
 	&& gem update --system "$RUBYGEMS_VERSION"
 
-ENV BUNDLER_VERSION 1.14.0
+ENV BUNDLER_VERSION 1.14.1
 
 RUN gem install bundler --version "$BUNDLER_VERSION"
 
diff --git a/2.1/alpine/Dockerfile b/2.1/alpine/Dockerfile
index 4d2ffb980..45c0ad2a1 100644
--- a/2.1/alpine/Dockerfile
+++ b/2.1/alpine/Dockerfile
@@ -90,7 +90,7 @@ RUN set -ex \
 	\
 	&& gem update --system "$RUBYGEMS_VERSION"
 
-ENV BUNDLER_VERSION 1.14.0
+ENV BUNDLER_VERSION 1.14.1
 
 RUN gem install bundler --version "$BUNDLER_VERSION"
 
diff --git a/2.1/slim/Dockerfile b/2.1/slim/Dockerfile
index 2510d5431..f20857640 100644
--- a/2.1/slim/Dockerfile
+++ b/2.1/slim/Dockerfile
@@ -77,7 +77,7 @@ RUN set -ex \
 	\
 	&& gem update --system "$RUBYGEMS_VERSION"
 
-ENV BUNDLER_VERSION 1.14.0
+ENV BUNDLER_VERSION 1.14.1
 
 RUN gem install bundler --version "$BUNDLER_VERSION"