diff --git a/docker/pulsar/Dockerfile b/docker/pulsar/Dockerfile
index 7e24ce74e04275..65bf3f7591b125 100644
--- a/docker/pulsar/Dockerfile
+++ b/docker/pulsar/Dockerfile
@@ -61,7 +61,7 @@ ENV LANG C.UTF-8
 
 # Upgrade all packages to get latest versions with security fixes
 # Install some utilities, some are required by Pulsar scripts
-RUN apk upgrade --no-cache && apk add --no-cache \
+RUN apk update && apk upgrade --no-cache && apk add --no-cache \
             bash \
             python3 \
             py3-pip \