diff --git a/tsumugu/Dockerfile b/tsumugu/Dockerfile
index c85cfe9..4637359 100644
--- a/tsumugu/Dockerfile
+++ b/tsumugu/Dockerfile
@@ -2,7 +2,7 @@ FROM ustcmirror/base:alpine
 LABEL maintainer "Keyu Tao <taoky AT ustclug.org>"
 
 RUN apk add --no-cache wget ca-certificates && \
-    cd /tmp/ && wget -q "https://github.com/taoky/tsumugu/releases/download/20230722/tsumugu" && \
+    cd /tmp/ && wget -q "https://github.com/taoky/tsumugu/releases/download/20230728/tsumugu" && \
     mv /tmp/tsumugu /usr/local/bin/ && \
     chmod +x /usr/local/bin/tsumugu && \
     rm -rf /tmp/* && apk del wget
diff --git a/tsumugu/sync.sh b/tsumugu/sync.sh
index 5310e44..01942fe 100755
--- a/tsumugu/sync.sh
+++ b/tsumugu/sync.sh
@@ -21,7 +21,7 @@ BIND_ADDRESS=${BIND_ADDRESS:-}
 TSUMUGU_MAXDELETE=${TSUMUGU_MAXDELETE:-1000}
 TSUMUGU_TIMEZONEFILE=${TSUMUGU_TIMEZONEFILE:-}
 TSUMUGU_EXCLUDE=${TSUMUGU_EXCLUDE:-}
-TSUMUGU_USERAGENT=${TSUMUGU_USERAGENT:-"tsumugu HTTP Syncing Tool/"$(tsumugu --version | cut -d' ' -f2)}
+TSUMUGU_USERAGENT=${TSUMUGU_USERAGENT:-"Tsumugu HTTP Syncing Tool/"$(tsumugu --version | cut -d' ' -f2)}
 TSUMUGU_PARSER=${TSUMUGU_PARSER:-"nginx"}
 TSUMUGU_THREADS=${TSUMUGU_THREADS:-"2"}
 TSUMUGU_EXTRA=${TSUMUGU_EXTRA:-}
@@ -34,6 +34,8 @@ if [[ $DEBUG = true ]]; then
     export RUST_LOG="tsumugu=debug"
 fi
 
+export NO_COLOR=1
+
 exec tsumugu sync $TSUMUGU_TIMEZONEFILE \
     --user-agent "$TSUMUGU_USERAGENT" \
     --max-delete "$TSUMUGU_MAXDELETE" \