diff --git a/Dockerfile b/Dockerfile
index 0d2fd60..0bdd948 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM debian:latest
 # Used in the makefile
 ENV CHORDPRO_PIPELINE true
 
-ARG ZOLA_VERSION="0.19.2"
+ARG ZOLA_VERSION="0.21.0"
 ARG CHORDPRO_VERSION="6.060"
 
 RUN apt update -y && apt-get install -y --no-install-recommends \