diff --git a/Cargo.toml b/Cargo.toml
index a92f785..c89f83a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "autocfg"
-version = "0.1.5"
+version = "0.1.6"
 authors = ["Josh Stone <cuviper@gmail.com>"]
 license = "Apache-2.0/MIT"
 repository = "https://github.com/cuviper/autocfg"
diff --git a/README.md b/README.md
index 2ba4120..40004a8 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,9 @@ should only be used when the compiler supports it.
 
 ## Release Notes
 
+- 0.1.6 (2019-08-19)
+  - Add `probe`/`emit_sysroot_crate`, by @leo60228
+
 - 0.1.5 (2019-07-16)
   - Mask some warnings from newer rustc.