diff --git a/.github/workflows/custom-actions/build-packager/action.yaml b/.github/workflows/custom-actions/build-packager/action.yaml
index c875bb7844..f39ca248cd 100644
--- a/.github/workflows/custom-actions/build-packager/action.yaml
+++ b/.github/workflows/custom-actions/build-packager/action.yaml
@@ -43,6 +43,15 @@ runs:
           echo "::endgroup::"
         fi
 
+    - name: Install c-ares (Linux only)
+      shell: bash
+      run: |
+        if [[ "${{ runner.os }}" == "Linux" ]]; then
+          echo "::group::Install c-ares"
+          sudo apt install -y libc-ares-dev
+          echo "::endgroup::"
+        fi
+
     - name: Install depot tools
       shell: bash
       run: |
diff --git a/docs/source/build_instructions.md b/docs/source/build_instructions.md
index 33d99acbab..cca855113a 100644
--- a/docs/source/build_instructions.md
+++ b/docs/source/build_instructions.md
@@ -12,6 +12,7 @@ for [other distros below](#notes-for-other-linux-distros).
 sudo apt-get update
 sudo apt-get install -y \
         curl \
+        libc-ares-dev \
         build-essential git python python3
 ```
 
@@ -243,7 +244,7 @@ Use `apk` command to install dependencies:
 ```shell
 apk add --no-cache \
         bash curl \
-        bsd-compat-headers linux-headers \
+        bsd-compat-headers c-ares-dev linux-headers \
         build-base git ninja python2 python3
 ```
 
@@ -270,6 +271,7 @@ Instead of running `sudo apt-get install` to install build dependencies, run:
 ```shell
 sudo pacman -Sy --needed \
         core/which \
+        c-ares \
         gcc git python2 python3
 ```
 
@@ -284,7 +286,7 @@ Instead of running `sudo apt-get install` to install build dependencies, run:
 ```shell
 su -c 'yum install -y \
         which \
-        libatomic \
+        c-ares-devel libatomic \
         gcc-c++ git python2'
 ```
 
@@ -299,6 +301,7 @@ Use `zypper` command to install dependencies:
 ```shell
 sudo zypper in -y \
         curl which \
+        c-ares-devel \
         gcc-c++ git python python3
 ```
 
diff --git a/packager/testing/dockers/Alpine_Dockerfile b/packager/testing/dockers/Alpine_Dockerfile
index 0ef955596f..2ce7850a49 100644
--- a/packager/testing/dockers/Alpine_Dockerfile
+++ b/packager/testing/dockers/Alpine_Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:3.11
 # Install utilities, libraries, and dev tools.
 RUN apk add --no-cache \
         bash curl \
-        bsd-compat-headers linux-headers \
+        bsd-compat-headers c-ares-dev linux-headers \
         build-base git ninja python2 python3
 
 # Install depot_tools.
diff --git a/packager/testing/dockers/ArchLinux_Dockerfile b/packager/testing/dockers/ArchLinux_Dockerfile
index a461161fb3..e5065e9b73 100644
--- a/packager/testing/dockers/ArchLinux_Dockerfile
+++ b/packager/testing/dockers/ArchLinux_Dockerfile
@@ -3,6 +3,7 @@ FROM archlinux:latest
 # Install utilities, libraries, and dev tools.
 RUN pacman -Sy --needed --noconfirm \
         core/which \
+        c-ares \
         gcc git python2 python3
 
 # Install depot_tools.
diff --git a/packager/testing/dockers/CentOS_Dockerfile b/packager/testing/dockers/CentOS_Dockerfile
index 364945ad30..327581d3ec 100644
--- a/packager/testing/dockers/CentOS_Dockerfile
+++ b/packager/testing/dockers/CentOS_Dockerfile
@@ -3,7 +3,7 @@ FROM centos:8
 # Install utilities, libraries, and dev tools.
 RUN yum install -y \
         which \
-        libatomic \
+        c-ares-devel libatomic \
         gcc-c++ git python2 python3
 
 # Default to python3.
diff --git a/packager/testing/dockers/Debian_Dockerfile b/packager/testing/dockers/Debian_Dockerfile
index 2299a46318..cba5b5e31d 100644
--- a/packager/testing/dockers/Debian_Dockerfile
+++ b/packager/testing/dockers/Debian_Dockerfile
@@ -4,6 +4,7 @@ FROM debian:9
 RUN apt-get update && apt-get install -y apt-utils
 RUN apt-get install -y \
         curl \
+        libc-ares-dev \
         build-essential git python python3
 
 # Install depot_tools.
diff --git a/packager/testing/dockers/Fedora_Dockerfile b/packager/testing/dockers/Fedora_Dockerfile
index 8438319fc3..63319f71c5 100644
--- a/packager/testing/dockers/Fedora_Dockerfile
+++ b/packager/testing/dockers/Fedora_Dockerfile
@@ -3,7 +3,7 @@ FROM fedora:34
 # Install utilities, libraries, and dev tools.
 RUN yum install -y \
         which \
-        libatomic \
+        c-ares-devel libatomic \
         gcc-c++ git python2
 
 # Default to python3.
diff --git a/packager/testing/dockers/OpenSUSE_Dockerfile b/packager/testing/dockers/OpenSUSE_Dockerfile
index 2a99f2e233..8059a1f920 100644
--- a/packager/testing/dockers/OpenSUSE_Dockerfile
+++ b/packager/testing/dockers/OpenSUSE_Dockerfile
@@ -3,6 +3,7 @@ FROM opensuse/leap:15
 # Install utilities, libraries, and dev tools.
 RUN zypper in -y \
         curl which \
+        c-ares-devel \
         gcc-c++ git python python3
 
 # Install depot_tools.
diff --git a/packager/testing/dockers/Ubuntu_Dockerfile b/packager/testing/dockers/Ubuntu_Dockerfile
index a7ccf3cb2a..03b5be72cd 100644
--- a/packager/testing/dockers/Ubuntu_Dockerfile
+++ b/packager/testing/dockers/Ubuntu_Dockerfile
@@ -4,6 +4,7 @@ FROM ubuntu:18.04
 RUN apt-get update && apt-get install -y apt-utils
 RUN apt-get install -y \
         curl \
+        libc-ares-dev \
         build-essential git python python3
 
 # Install depot_tools.
diff --git a/packager/third_party/curl/curl.gyp b/packager/third_party/curl/curl.gyp
index 27afa68dfb..86c8fe6ea0 100644
--- a/packager/third_party/curl/curl.gyp
+++ b/packager/third_party/curl/curl.gyp
@@ -37,10 +37,16 @@
               'HAVE_CONFIG_H',
               'CURL_CA_BUNDLE="<!(config/linux/find_curl_ca_bundle.sh)"',
               'USE_OPENSSL',
+              'USE_ARES',
             ],
             'include_dirs': [
               'config/linux',
             ],
+            'link_settings': {
+              'libraries': [
+                '-lcares',
+              ],
+            },
           },
         }],
         ['OS == "mac"', {