diff --git a/README.md b/README.md
index 90f83e59e..376358d0e 100644
--- a/README.md
+++ b/README.md
@@ -65,9 +65,12 @@ You can use the provided `md5` hash to verify the integrity of your download.
 For information about installing and using the Amazon ECS CLI, see the [ECS Command Line Interface](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_CLI.html).
 
 ### Latest version
-* Linux:
+* Linux (amd64):
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-latest](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-latest)
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-latest.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-latest.md5)
+* Linux (arm64):
+  * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-latest](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-latest)
+  * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-latest.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-latest.md5)
 * Macintosh:
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-latest](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-latest)
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-latest.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-latest.md5)
@@ -80,9 +83,12 @@ For information about installing and using the Amazon ECS CLI, see the [ECS Comm
 As of v0.6.2 the ECS CLI supports the cn-north-1 region in China. The following links are the exact
 same binaries, but they are localized within China to provide a faster download experience.
 
-* Linux:
+* Linux (amd64):
   * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-amd64-latest](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-amd64-latest)
   * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-amd64-latest.md5](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-amd64-latest.md5)
+* Linux (arm64):
+  * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-arm64-latest](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-arm64-latest)
+  * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-arm64-latest.md5](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-linux-arm64-latest.md5)
 * Macintosh:
   * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-darwin-amd64-latest](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-darwin-amd64-latest)
   * [https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-darwin-amd64-latest.md5](https://amazon-ecs-cli.s3.cn-north-1.amazonaws.com.cn/ecs-cli-darwin-amd64-latest.md5)
@@ -92,11 +98,18 @@ same binaries, but they are localized within China to provide a faster download
 
 ### Download specific version
 Using the URLs above, replace `latest` with the desired tag, for example `v1.0.0`. After
-downloading, remember to rename the binary file to `ecs-cli`. ***NOTE:*** Windows is only supported starting with version `v1.0.0`.
+downloading, remember to rename the binary file to `ecs-cli`. 
 
-* Linux:
+***NOTE:*** Windows is only supported starting with version `v1.0.0`.
+
+***NOTE:*** ARM64 is only supported starting with version `v1.20.0`.
+
+* Linux (amd64):
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-v1.0.0](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-v1.0.0)
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-v1.0.0.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-v1.0.0.md5)
+* Linux (arm64):
+  * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-v1.20.0](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-v1.20.0)
+  * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-v1.20.0.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-v1.20.0.md5)
 * Macintosh:
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-v1.0.0](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-v1.0.0)
   * [https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-v1.0.0.md5](https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-v1.0.0.md5)
@@ -153,11 +166,16 @@ ECS CLI signatures are ascii armored detached PGP signatures stored in files wit
 curl -o ecs-cli.asc https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-darwin-amd64-latest.asc
 ```
 
-###### Linux
+###### Linux (amd64)
 ```
 curl -o ecs-cli.asc https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-amd64-latest.asc
 ```
 
+###### Linux (arm64)
+```
+curl -o ecs-cli.asc https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-linux-arm64-latest.asc
+```
+
 ###### Windows
 ```
 PS C:\> Invoke-WebRequest -OutFile ecs-cli.asc https://amazon-ecs-cli.s3.amazonaws.com/ecs-cli-windows-amd64-latest.exe.asc
diff --git a/buildspec.yml b/buildspec.yml
index e01de52c6..70fdedb59 100644
--- a/buildspec.yml
+++ b/buildspec.yml
@@ -59,6 +59,7 @@ phases:
         fi
       - GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe ./ecs-cli/
       - GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION ./ecs-cli/
+      - GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION ./ecs-cli/
       - GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 go build -installsuffix cgo -a -ldflags "-s" -o $CODEBUILD_SRC_DIR/aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION ./ecs-cli/
     finally:
       - echo "CD into codebuild src directory for last phase"
@@ -73,13 +74,16 @@ phases:
       - echo "Creating latest artifacts..."
       - cp aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe aws/amazon-ecs-cli/ecs-cli-windows-amd64-latest.exe
       - cp aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION aws/amazon-ecs-cli/ecs-cli-linux-amd64-latest
+      - cp aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION aws/amazon-ecs-cli/ecs-cli-linux-arm64-latest
       - cp aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION aws/amazon-ecs-cli/ecs-cli-darwin-amd64-latest
       - MANIFESTFILE="$GIT_COMMIT_ID.manifest"
       - echo "aws/amazon-ecs-cli/ecs-cli-windows-amd64-$VERSION.exe" >> $MANIFESTFILE
       - echo "aws/amazon-ecs-cli/ecs-cli-linux-amd64-$VERSION" >> $MANIFESTFILE
+      - echo "aws/amazon-ecs-cli/ecs-cli-linux-arm64-$VERSION" >> $MANIFESTFILE
       - echo "aws/amazon-ecs-cli/ecs-cli-darwin-amd64-$VERSION" >> $MANIFESTFILE
       - echo "aws/amazon-ecs-cli/ecs-cli-windows-amd64-latest.exe" >> $MANIFESTFILE
       - echo "aws/amazon-ecs-cli/ecs-cli-linux-amd64-latest" >> $MANIFESTFILE
+      - echo "aws/amazon-ecs-cli/ecs-cli-linux-arm64-latest" >> $MANIFESTFILE
       - echo "aws/amazon-ecs-cli/ecs-cli-darwin-amd64-latest" >> $MANIFESTFILE
 artifacts:
   files: