diff --git a/tasks/Cargo.lock b/tasks/Cargo.lock
index 249d1320..05b9308d 100644
--- a/tasks/Cargo.lock
+++ b/tasks/Cargo.lock
@@ -354,7 +354,7 @@ dependencies = [
 
 [[package]]
 name = "tasks"
-version = "0.7.0"
+version = "0.8.0"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/tasks/Cargo.toml b/tasks/Cargo.toml
index c3e02a0c..708646f4 100644
--- a/tasks/Cargo.toml
+++ b/tasks/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tasks"
-version = "0.7.0"
+version = "0.8.0"
 authors = ["bouzuya <m@bouzuya.net>"]
 edition = "2018"