diff --git a/mainline/alpine-perl/Dockerfile b/mainline/alpine-perl/Dockerfile
index 3d8b6b7706cac1beb787a2c521db3073018412fa..df9ff81b0237644a4331200e43b3100e7cc7a02f 100644
--- a/mainline/alpine-perl/Dockerfile
+++ b/mainline/alpine-perl/Dockerfile
@@ -67,8 +67,8 @@ RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
 		gd-dev \
 		geoip-dev \
 		perl-dev \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
 	&& export GNUPGHOME="$(mktemp -d)" \
 	&& found=''; \
 	for server in \
diff --git a/mainline/alpine/Dockerfile b/mainline/alpine/Dockerfile
index f56770e13d084c0da31588d9fa3ba5f9b54e97b4..5d855f16ed0453230fdeb5d099c86999ea8ed80c 100644
--- a/mainline/alpine/Dockerfile
+++ b/mainline/alpine/Dockerfile
@@ -65,8 +65,8 @@ RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
 		libxslt-dev \
 		gd-dev \
 		geoip-dev \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
 	&& export GNUPGHOME="$(mktemp -d)" \
 	&& found=''; \
 	for server in \
diff --git a/stable/alpine-perl/Dockerfile b/stable/alpine-perl/Dockerfile
index b945f44b25726b0ff899b68bfc2f2eb634004ccc..2d7c51c64f078f288401d8d3b240d533c11780d2 100644
--- a/stable/alpine-perl/Dockerfile
+++ b/stable/alpine-perl/Dockerfile
@@ -67,8 +67,8 @@ RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
 		gd-dev \
 		geoip-dev \
 		perl-dev \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
 	&& export GNUPGHOME="$(mktemp -d)" \
 	&& found=''; \
 	for server in \
diff --git a/stable/alpine/Dockerfile b/stable/alpine/Dockerfile
index a5180629d23b2e6c5c2c520978d322a62246fdde..75c868a414e6ad9755209f53a16a2c1f466141f7 100644
--- a/stable/alpine/Dockerfile
+++ b/stable/alpine/Dockerfile
@@ -65,8 +65,8 @@ RUN GPG_KEYS=B0F4253373F8F6F510D42178520A9993A1C052F8 \
 		libxslt-dev \
 		gd-dev \
 		geoip-dev \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
-	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
+	&& curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
 	&& export GNUPGHOME="$(mktemp -d)" \
 	&& found=''; \
 	for server in \