diff --git a/Cargo.toml b/Cargo.toml
index 59ceb488..ed8a0715 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fits_web_ql"
-version = "4.1.0"
+version = "4.1.1"
 authors = ["jvo203 <chris.zapart@nao.ac.jp>"]
 edition = "2018"
 
diff --git a/src/main.rs b/src/main.rs
index c0fd63b8..2408184b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2228,7 +2228,7 @@ lazy_static! {
 #[cfg(feature = "server")]
 static LOG_DIRECTORY: &'static str = "LOGS";
 
-static SERVER_STRING: &'static str = "FITSWebQL v4.1.0";
+static SERVER_STRING: &'static str = "FITSWebQL v4.1.1";
 static VERSION_STRING: &'static str = "SV2019-01-29.0";
 static WASM_STRING: &'static str = "WASM2018-12-17.0";