diff --git a/Cargo.lock b/Cargo.lock
index 5f8b51b..37dc95e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1202,7 +1202,7 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "webhookey"
-version = "0.1.0-rc.0"
+version = "0.1.0-rc.1"
 dependencies = [
  "anyhow",
  "dirs",
diff --git a/Cargo.toml b/Cargo.toml
index 7c75771..f27176a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "webhookey"
-version = "0.1.0-rc.0"
+version = "0.1.0-rc.1"
 authors = ["finga <webhookey@onders.org>"]
 edition = "2018"
 license = "GPL-3.0-or-later"
diff --git a/src/main.rs b/src/main.rs
index 79c126a..d773821 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -204,7 +204,7 @@ fn replace_parameter(input: &str, headers: &HeaderMap, data: &serde_json::Value)
 fn get_string(value: &serde_json::Value) -> Result<String> {
     match &value {
         serde_json::Value::Null => unimplemented!(),
-        serde_json::Value::Bool(_bool) => unimplemented!(),
+        serde_json::Value::Bool(bool) => Ok(bool.to_string()),
         serde_json::Value::Number(number) => Ok(number.to_string()),
         serde_json::Value::String(string) => Ok(string.as_str().to_string()),
         serde_json::Value::Array(_array) => unimplemented!(),
@@ -229,6 +229,7 @@ fn filter_match(
 
         if let Some(json_value) = data.pointer(parameter) {
             *data.pointer_mut(parameter).unwrap() = match json_value {
+                serde_json::Value::Bool(bool) => serde_json::Value::String(bool.to_string()),
                 serde_json::Value::String(string) => serde_json::Value::String(string.to_string()),
                 serde_json::Value::Number(number) => serde_json::Value::String(number.to_string()),
                 x => {