diff --git a/Dockerfile b/Dockerfile
index 9f67ee4..13f46fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,6 @@
 FROM nginx:stable-alpine AS builder
 
+COPY nginx-keys/ /tmp/nginx-keys
 COPY compile.sh /tmp/compile.sh
 RUN chmod +x /tmp/compile.sh && \
     /tmp/compile.sh && \
diff --git a/Dockerfile-amd64 b/Dockerfile-amd64
index 8aa93da..a3f0d6a 100644
--- a/Dockerfile-amd64
+++ b/Dockerfile-amd64
@@ -1,5 +1,6 @@
 FROM amd64/nginx:stable-alpine AS builder
 
+COPY nginx-keys/ /tmp/nginx-keys
 COPY compile.sh /tmp/compile.sh
 RUN chmod +x /tmp/compile.sh && \
     /tmp/compile.sh && \
diff --git a/Dockerfile-arm32v7 b/Dockerfile-arm32v7
index 737c325..dd7fc61 100644
--- a/Dockerfile-arm32v7
+++ b/Dockerfile-arm32v7
@@ -7,6 +7,7 @@ FROM arm32v7/nginx:stable-alpine AS builder2
 
 COPY --from=builder1 qemu-arm-static /usr/bin
 
+COPY nginx-keys/ /tmp/nginx-keys
 COPY compile.sh /tmp/compile.sh
 RUN chmod +x /tmp/compile.sh && \
     /tmp/compile.sh && \
diff --git a/Dockerfile-arm64v8 b/Dockerfile-arm64v8
index 23e7541..5328ec9 100644
--- a/Dockerfile-arm64v8
+++ b/Dockerfile-arm64v8
@@ -7,6 +7,7 @@ FROM arm64v8/nginx:stable-alpine AS builder2
 
 COPY --from=builder1 qemu-aarch64-static /usr/bin
 
+COPY nginx-keys/ /tmp/nginx-keys
 COPY compile.sh /tmp/compile.sh
 RUN chmod +x /tmp/compile.sh && \
     /tmp/compile.sh && \
diff --git a/Dockerfile-i386 b/Dockerfile-i386
index db7c23f..13b0857 100644
--- a/Dockerfile-i386
+++ b/Dockerfile-i386
@@ -1,5 +1,6 @@
 FROM i386/nginx:stable-alpine AS builder
 
+COPY nginx-keys/ /tmp/nginx-keys
 COPY compile.sh /tmp/compile.sh
 RUN chmod +x /tmp/compile.sh && \
     /tmp/compile.sh && \
diff --git a/compile.sh b/compile.sh
index 40be258..0e6a299 100644
--- a/compile.sh
+++ b/compile.sh
@@ -3,7 +3,7 @@
 NTASK=$(nproc)
 
 # install build dependencies
-apk add --no-cache --virtual build autoconf libtool automake git geoip-dev yajl-dev g++ curl-dev libxml2-dev pcre-dev make linux-headers libmaxminddb-dev musl-dev lua-dev gd-dev
+apk add --no-cache --virtual build autoconf libtool automake git geoip-dev yajl-dev g++ curl-dev libxml2-dev pcre-dev make linux-headers libmaxminddb-dev musl-dev lua-dev gd-dev gnupg
 
 # compile and install ModSecurity library
 cd /tmp
@@ -79,6 +79,13 @@ export LUAJIT_INC=/usr/local/include/luajit-2.1
 # compile and install dynamic modules
 cd /tmp
 wget https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz
+wget https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz.asc
+gpg --import /tmp/nginx-keys/*.key
+check=$(gpg --verify https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz.asc https://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz 2>&1 | grep "^gpg: Good signature from ")
+if [ "$check" = "" ] ; then
+	echo "[!] Wrong signature from nginx source !"
+	exit 1
+fi
 tar -xvzf nginx-${NGINX_VERSION}.tar.gz
 cd nginx-$NGINX_VERSION
 CONFARGS=$(nginx -V 2>&1 | sed -n -e 's/^.*arguments: //p')
diff --git a/nginx-keys/maxim.key b/nginx-keys/maxim.key
new file mode 100644
index 0000000..479efbe
--- /dev/null
+++ b/nginx-keys/maxim.key
@@ -0,0 +1,69 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
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diff --git a/nginx-keys/mdounin.key b/nginx-keys/mdounin.key
new file mode 100644
index 0000000..bbf2ca1
--- /dev/null
+++ b/nginx-keys/mdounin.key
@@ -0,0 +1,33 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.11 (FreeBSD)
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diff --git a/nginx-keys/nginx_signing.key b/nginx-keys/nginx_signing.key
new file mode 100644
index 0000000..d2258b8
--- /dev/null
+++ b/nginx-keys/nginx_signing.key
@@ -0,0 +1,28 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
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