diff --git a/packages/charcodes/README.md b/packages/charcodes/README.md
index c78bc8b..82e3ed8 100644
--- a/packages/charcodes/README.md
+++ b/packages/charcodes/README.md
@@ -1,6 +1,7 @@
 ## Exports
 
 - Constant number `backSpace`
+- Constant number `tab`
 - Constant number `lineFeed`
 - Constant number `carriageReturn`
 - Constant number `shiftOut`
diff --git a/packages/charcodes/src/index.js b/packages/charcodes/src/index.js
index 8e245fb..fce850e 100644
--- a/packages/charcodes/src/index.js
+++ b/packages/charcodes/src/index.js
@@ -1,6 +1,7 @@
 // @flow
 
 export const backSpace = 8;
+export const tab = 9; //  '\t'
 export const lineFeed = 10; //  '\n'
 export const carriageReturn = 13; //  '\r'
 export const shiftOut = 14;