diff --git a/Cargo.lock b/Cargo.lock
index c8a2db8..c5e902f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2256,7 +2256,7 @@ dependencies = [
 
 [[package]]
 name = "tesla-charge-controller"
-version = "0.1.19"
+version = "0.1.20-prerelease"
 dependencies = [
  "async-channel",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index a93eb7e..aaa495d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tesla-charge-controller"
-version = "0.1.19"
+version = "0.1.20-prerelease"
 edition = "2021"
 license = "MITNFA"
 description = "Controls Tesla charge rate based on solar charge data"