diff --git a/5.5/Dockerfile b/5.5/Dockerfile
index 2578543bc..91d8d0c09 100644
--- a/5.5/Dockerfile
+++ b/5.5/Dockerfile
@@ -19,7 +19,7 @@ RUN apt-get update && apt-get install -y libaio1 && rm -rf /var/lib/apt/lists/*
 RUN gpg --keyserver ha.pool.sks-keyservers.net --recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5
 
 ENV MYSQL_MAJOR 5.5
-ENV MYSQL_VERSION 5.5.45
+ENV MYSQL_VERSION 5.5.46
 
 # note: we're pulling the *.asc file from mysql.he.net instead of dev.mysql.com because the official mirror 404s that file for whatever reason - maybe it's at a different path?
 RUN apt-get update && apt-get install -y curl --no-install-recommends && rm -rf /var/lib/apt/lists/* \
diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index 651d824f6..4e6f9660c 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y perl --no-install-recommends && rm -rf
 RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys A4A9406876FCBD3C456770C88C718D3B5072E1F5
 
 ENV MYSQL_MAJOR 5.6
-ENV MYSQL_VERSION 5.6.26
+ENV MYSQL_VERSION 5.6.27
 
 RUN echo "deb http://repo.mysql.com/apt/debian/ jessie mysql-${MYSQL_MAJOR}" > /etc/apt/sources.list.d/mysql.list