diff --git a/8.4/Dockerfile b/8.4/Dockerfile
index 1ba0a448d6..f6034e48c8 100644
--- a/8.4/Dockerfile
+++ b/8.4/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 8.4
 ENV PG_VERSION 8.4.22-1.pgdg70+1
diff --git a/9.0/Dockerfile b/9.0/Dockerfile
index 6ddcbd60c0..d026cd9b33 100644
--- a/9.0/Dockerfile
+++ b/9.0/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 9.0
 ENV PG_VERSION 9.0.18-1.pgdg70+1
diff --git a/9.1/Dockerfile b/9.1/Dockerfile
index 7b78548b9b..ee28b628b6 100644
--- a/9.1/Dockerfile
+++ b/9.1/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 9.1
 ENV PG_VERSION 9.1.14-1.pgdg70+1
diff --git a/9.2/Dockerfile b/9.2/Dockerfile
index 9c5d46808c..bd73eba442 100644
--- a/9.2/Dockerfile
+++ b/9.2/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 9.2
 ENV PG_VERSION 9.2.9-1.pgdg70+1
diff --git a/9.3/Dockerfile b/9.3/Dockerfile
index c0dae9e96c..49635b14e7 100644
--- a/9.3/Dockerfile
+++ b/9.3/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 9.3
 ENV PG_VERSION 9.3.5-2.pgdg70+1
diff --git a/9.4/Dockerfile b/9.4/Dockerfile
index 92e2752379..fe3a60efb5 100644
--- a/9.4/Dockerfile
+++ b/9.4/Dockerfile
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR 9.4
 ENV PG_VERSION 9.4.0-1.pgdg70+1
diff --git a/Dockerfile.template b/Dockerfile.template
index 0ff7b6f269..57fc7ed7bb 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -5,7 +5,7 @@ FROM debian:wheezy
 RUN groupadd -r postgres && useradd -r -g postgres postgres
 
 # grab gosu for easy step-down from root
-RUN gpg --keyserver pgp.mit.edu --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
+RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/* \
 	&& curl -o /usr/local/bin/gosu -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
 	&& curl -o /usr/local/bin/gosu.asc -SL "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
@@ -21,7 +21,7 @@ ENV LANG en_US.utf8
 
 RUN mkdir /docker-entrypoint-initdb.d
 
-RUN apt-key adv --keyserver pgp.mit.edu --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+RUN apt-key adv --keyserver pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
 
 ENV PG_MAJOR %%PG_MAJOR%%
 ENV PG_VERSION %%PG_VERSION%%