diff --git a/Cargo.lock b/Cargo.lock
index 17373d9..7566e05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -12,7 +12,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cpc"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "decimal 2.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 58427a2..074a538 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cpc"
-version = "0.1.0"
+version = "1.0.0"
 description = "evaluates math expressions, with support for units and conversion between units"
 authors = ["Kasper Henningsen"]
 edition = "2018"