diff --git a/2.0/Dockerfile b/2.0/Dockerfile
index b6dd29000..0596a2020 100644
--- a/2.0/Dockerfile
+++ b/2.0/Dockerfile
@@ -29,7 +29,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.0/slim/Dockerfile b/2.0/slim/Dockerfile
index b1cde70bf..59126bcfd 100644
--- a/2.0/slim/Dockerfile
+++ b/2.0/slim/Dockerfile
@@ -54,7 +54,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.0/wheezy/Dockerfile b/2.0/wheezy/Dockerfile
index 9903fb58e..c3442b736 100644
--- a/2.0/wheezy/Dockerfile
+++ b/2.0/wheezy/Dockerfile
@@ -26,7 +26,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.1/Dockerfile b/2.1/Dockerfile
index 72b3ad887..e1d6231c5 100644
--- a/2.1/Dockerfile
+++ b/2.1/Dockerfile
@@ -29,7 +29,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.1/slim/Dockerfile b/2.1/slim/Dockerfile
index 0abb8eac6..02f573c00 100644
--- a/2.1/slim/Dockerfile
+++ b/2.1/slim/Dockerfile
@@ -54,7 +54,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.1/wheezy/Dockerfile b/2.1/wheezy/Dockerfile
index 3ffec47d4..372479440 100644
--- a/2.1/wheezy/Dockerfile
+++ b/2.1/wheezy/Dockerfile
@@ -26,7 +26,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.2/Dockerfile b/2.2/Dockerfile
index 5ea206a95..06f340763 100644
--- a/2.2/Dockerfile
+++ b/2.2/Dockerfile
@@ -29,7 +29,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.2/slim/Dockerfile b/2.2/slim/Dockerfile
index 865431b9e..066066b6a 100644
--- a/2.2/slim/Dockerfile
+++ b/2.2/slim/Dockerfile
@@ -54,7 +54,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \
diff --git a/2.2/wheezy/Dockerfile b/2.2/wheezy/Dockerfile
index b50847080..bfb12bd10 100644
--- a/2.2/wheezy/Dockerfile
+++ b/2.2/wheezy/Dockerfile
@@ -26,7 +26,7 @@ RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"
 ENV GEM_HOME /usr/local/bundle
 ENV PATH $GEM_HOME/bin:$PATH
 
-ENV BUNDLER_VERSION 1.10.3
+ENV BUNDLER_VERSION 1.10.4
 
 RUN gem install bundler --version "$BUNDLER_VERSION" \
 	&& bundle config --global path "$GEM_HOME" \