diff --git a/caddy2/php7.4-gmagick/Dockerfile b/caddy2/php7.4-gmagick/Dockerfile
index da2c86b..524d5ef 100644
--- a/caddy2/php7.4-gmagick/Dockerfile
+++ b/caddy2/php7.4-gmagick/Dockerfile
@@ -17,7 +17,8 @@ RUN docker-php-ext-install gmp
 RUN docker-php-ext-install soap
 
 # Install graphicsmagick
-RUN apk add --no-cache graphicsmagick jasper-dev
+RUN apk add --no-cache graphicsmagick
+RUN apk add --no-cache --repository http://dl-3.alpinelinux.org/alpine/v3.10/main/ jasper-dev
 RUN apk add --no-cache --virtual .phpize-deps $PHPIZE_DEPS libtool g++ make autoconf graphicsmagick-dev
 RUN pecl install gmagick-2.0.5RC1 && docker-php-ext-enable gmagick