diff --git a/Dockerfile b/Dockerfile
index 3ffa353..c78da8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM alpine:latest AS build
 
 # Install build tools and dependencies
 RUN apk update && apk upgrade
-RUN apk add build-base wget pcre-dev zlib-dev git
+RUN apk add build-base wget pcre-dev zlib-dev git openssl-dev
 
 # Download Nginx source code
 WORKDIR /tmp