diff --git a/Dockerfile b/Dockerfile
index 04f258c..70a11cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 # first stage: build kwkhtmltopdf_server
 
-FROM golang:1.18.3
+FROM golang:1.21.5
 RUN mkdir /tmp/kwkhtml
 WORKDIR /tmp/kwkhtml
 COPY server/kwkhtmltopdf_server.go .
 RUN go mod init kwkhtml
-RUN go get -u github.com/rs/zerolog/log@v1.27.0
+RUN go get -u github.com/rs/zerolog/log@v1.31.0
 RUN go get -u github.com/pkg/errors@v0.9.1
 
 RUN go build kwkhtmltopdf_server.go
@@ -18,7 +18,7 @@ RUN set -x \
   && apt update \
   && apt -y install --no-install-recommends wget ca-certificates fonts-liberation2 fonts-nanum-coding fonts-horai-umefont fonts-wqy-microhei \  
   && wget -q -O /tmp/wkhtmltox.deb https://github.com/odoo/wkhtmltopdf/releases/download/nightly/wkhtmltox_0.13.0-1.nightly.bookworm_amd64.deb \
-  && echo "a8f28ec5a71d18a4791e48ece56ad7395fd0f935 /tmp/wkhtmltox.deb" | sha1sum -c - \
+  && echo "8b3e6ec574f31e4f19644f2c9e00bb929a1cb207 /tmp/wkhtmltox.deb" | sha1sum -c - \
   && apt -y install /tmp/wkhtmltox.deb \
   && apt -y purge wget --autoremove \
   && apt -y clean \
diff --git a/HISTORY.md b/HISTORY.md
index 802d39e..3057d04 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,9 @@
+
+# 2.0.1 (2024-01-05)
+
+Use new build from odoo for wkhtmltopdf bin, use new bookworm debian
+Bump zerolog extra go package 
+
 # 0.9.3 (2020-04-15)
 
 Remove gsfonts and xfonts-100dpi. Use fonts-liberation2 instead
diff --git a/server/kwkhtmltopdf_server.go b/server/kwkhtmltopdf_server.go
index 860feeb..46dbda2 100644
--- a/server/kwkhtmltopdf_server.go
+++ b/server/kwkhtmltopdf_server.go
@@ -75,6 +75,7 @@ func httpAbort(w http.ResponseWriter, err error, addr string) {
 
 func handler(w http.ResponseWriter, r *http.Request) {
 	debug_enabled := os.Getenv("DEBUG")
+	no_storage_cleaning := os.Getenv("NO_STORAGE_CLEANING")
 	if debug_enabled != "" {
 		log.Info().Str("Method", r.Method).Str("Url",r.URL.Path).Msg("Parameters")
 	}
@@ -108,8 +109,11 @@ func handler(w http.ResponseWriter, r *http.Request) {
 		httpError(w, err, http.StatusNotFound, addr)
 		return
 	}
-	defer os.RemoveAll(tmpdir)
-
+	// Test if we want to remove storage, in case of debugging
+	// 
+	if len(no_storage_cleaning) == 0 {
+		defer os.RemoveAll(tmpdir)
+	}
 	// parse request
 	reader, err := r.MultipartReader()
 	if err != nil {