diff --git a/Dockerfile b/Dockerfile
index 83843b1..c349356 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,8 +51,10 @@ ARG ENVIRONMENT=production
 #     apk update
 
 # install system libs
-RUN apk update && apk add --no-cache libintl c-client libpng icu-libs libldap libpq libjpeg freetype libzip shadow sudo wget curl bash git openssh supervisor nginx openssl zip
+RUN apk update && apk add --no-cache libintl c-client libpng icu-libs libldap libpq libjpeg freetype libzip shadow sudo wget bash git openssh supervisor nginx openssl zip
 
+# update curl (CVE-2021-22901)
+RUN apk del curl && apk add curl
 
 ENV DIR /var/www
 ENV DOCKERIZE_VERSION v0.6.1