diff --git a/dnscrypt/proxy/Dockerfile b/dnscrypt/proxy/Dockerfile
index a861a03..62ccb86 100644
--- a/dnscrypt/proxy/Dockerfile
+++ b/dnscrypt/proxy/Dockerfile
@@ -27,7 +27,7 @@ RUN set -xe \
         && rm -rf libsodium \
     && mkdir dnscrypt-proxy \
         && cd dnscrypt-proxy \
-        && curl -sSL http://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-proxy-$DNSCRYPT_VERSION.tar.gz | tar xz --strip 1 \
+        && curl -sSL https://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-proxy-$DNSCRYPT_VERSION.tar.gz | tar xz --strip 1 \
         && ./configure --prefix=/usr --with-plugins \
         && make install \
         && cd .. \
diff --git a/dnscrypt/proxy/arm/Dockerfile b/dnscrypt/proxy/arm/Dockerfile
index 739250c..cb0e9cb 100644
--- a/dnscrypt/proxy/arm/Dockerfile
+++ b/dnscrypt/proxy/arm/Dockerfile
@@ -27,7 +27,7 @@ RUN set -xe \
         && rm -rf libsodium \
     && mkdir dnscrypt-proxy \
         && cd dnscrypt-proxy \
-        && curl -sSL http://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-proxy-$DNSCRYPT_VERSION.tar.gz | tar xz --strip 1 \
+        && curl -sSL https://download.dnscrypt.org/dnscrypt-proxy/dnscrypt-proxy-$DNSCRYPT_VERSION.tar.gz | tar xz --strip 1 \
         && ./configure --prefix=/usr --with-plugins \
         && make install \
         && cd .. \