diff --git a/ci/helm-chart/Chart.yaml b/ci/helm-chart/Chart.yaml
index 5e7f0eff..7bf6d668 100644
--- a/ci/helm-chart/Chart.yaml
+++ b/ci/helm-chart/Chart.yaml
@@ -6,5 +6,5 @@ home: https://github.com/notalib/readium-lcp-server
 keywords:
   - "lcp"
   - "readium"
-version: "1.0.0"
-appVersion: "1.0.0"
+version: "1.9.0"
+appVersion: "1.9.0"
diff --git a/ci/update_chart_version.sh b/ci/update_chart_version.sh
new file mode 100755
index 00000000..83fdc1ca
--- /dev/null
+++ b/ci/update_chart_version.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Retrieve the version from api/common_server.go
+APP_VERSION=$(grep "Software_Version = "$1"" ../api/common_server.go | awk '{print $3}' | sed 's/"//g')
+
+if [ -z "$APP_VERSION" ]; then
+  echo "Error: Could not find version in api/common_server.go"
+  exit 1
+fi
+
+if ! command -v yq &> /dev/null
+then
+    echo "yq could not be found, please install it"
+    exit 1
+fi
+
+yq eval ".appVersion = \"$APP_VERSION\"" -i helm-chart/Chart.yaml
+yq eval ".version = \"$APP_VERSION\"" -i helm-chart/Chart.yaml