diff --git a/19.0/Dockerfile b/19.0/Dockerfile
index 4d280d6f3..c8ab1f41d 100644
--- a/19.0/Dockerfile
+++ b/19.0/Dockerfile
@@ -37,6 +37,7 @@ RUN apt-get update && \
         python3-watchdog \
         python3-xlrd \
         python3-xlwt \
+        python3-decorator \
         xz-utils && \
     if [ -z "${TARGETARCH}" ]; then \
         TARGETARCH="$(dpkg --print-architecture)"; \