diff --git a/README.md b/README.md
index 5aada21f..41f156ab 100644
--- a/README.md
+++ b/README.md
@@ -143,19 +143,29 @@ Bash behaves in ways unlike other programming languages. As such, there are some
 ### Included Executables
 
 - `$ aws`
+- `$ bc`
 - `$ git`
 - `$ jq`
+- `$ rsync`
 - `$ scp`
 - `$ sftp`
 - `$ ssh`
+- `$ time`
+- `$ tree`
 - `$ wget`
 - `$ zip`
 
 **Already included in the Lambda environment:**
 
 - `$ curl`
+- `$ diff`
 - `$ gzip`
+- `$ head`
+- `$ md5sum`
 - `$ tar`
+- `$ tail`
+- `$ tee`
+- `$ xargs`
 
 _If you would like to see more, please create an issue._
 
diff --git a/bin/bc b/bin/bc
new file mode 100755
index 00000000..681431f7
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diff --git a/bin/rsync b/bin/rsync
new file mode 100755
index 00000000..733d5c39
Binary files /dev/null and b/bin/rsync differ
diff --git a/bin/time b/bin/time
new file mode 100755
index 00000000..2ef38c01
Binary files /dev/null and b/bin/time differ
diff --git a/bin/tree b/bin/tree
new file mode 100755
index 00000000..42ab1f5f
Binary files /dev/null and b/bin/tree differ