diff --git a/7.4/Dockerfile b/7.4/Dockerfile
index 2bfff0d..d817442 100644
--- a/7.4/Dockerfile
+++ b/7.4/Dockerfile
@@ -6,6 +6,7 @@ RUN apk add --no-cache \
     # zip \
     # unzip \
     libpng-dev \
+    libjpeg \
     # zlib1g-dev \
     gmp-dev \
     && docker-php-ext-configure gd \