diff --git a/infrastructure/excalidraw-backend/image/resources/install.sh b/infrastructure/excalidraw-backend/image/resources/install.sh
index 64eb947..06c0aa6 100755
--- a/infrastructure/excalidraw-backend/image/resources/install.sh
+++ b/infrastructure/excalidraw-backend/image/resources/install.sh
@@ -6,5 +6,5 @@ apt-get upgrade -y > /dev/null
 apt-get clean
 
 npm install -g npm@latest
-npm ci
+npm ci --omit=dev
 npm run build
diff --git a/project.clj b/project.clj
index 8b325a1..bb1a7e8 100644
--- a/project.clj
+++ b/project.clj
@@ -23,7 +23,7 @@
                        :main dda.c4k-jitsi.uberjar
                        :uberjar-name "c4k-jitsi-standalone.jar"
                        :dependencies [[org.clojure/tools.cli "1.0.219"]
-                                      [ch.qos.logback/logback-classic "1.4.11"
+                                      [ch.qos.logback/logback-classic "1.4.13"
                                        :exclusions [com.sun.mail/javax.mail]]
                                       [org.slf4j/jcl-over-slf4j "2.0.9"]]}}
   :release-tasks [["test"]