diff --git a/Cargo.lock b/Cargo.lock
index 7fbe4ce..190236a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -13,7 +13,7 @@ dependencies = [
 
 [[package]]
 name = "air_filter"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "bme280",
  "cfg-if",
diff --git a/Cargo.toml b/Cargo.toml
index f10645a..20a92e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "air_filter"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 
 [dependencies]