diff --git a/Cargo.lock b/Cargo.lock
index 2ce3839..7cacd3b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -264,7 +264,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "parsley"
-version = "0.8.1"
+version = "0.9.0"
 dependencies = [
  "rustyline 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -595,7 +595,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "www"
 version = "0.1.0"
 dependencies = [
- "parsley 0.8.1",
+ "parsley 0.9.0",
  "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "yew 0.5.0 (git+https://github.com/DenisKolodin/yew)",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 42709e0..8010500 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "parsley"
-version = "0.8.1"
+version = "0.9.0"
 authors = ["George Kaplan <george@georgekaplan.xyz>"]
 edition = "2018"
 description = "An implementation of Scheme"