diff --git a/Dockerfile.glibc b/Dockerfile.glibc
index 27c584b..47a8998 100644
--- a/Dockerfile.glibc
+++ b/Dockerfile.glibc
@@ -9,8 +9,8 @@ ARG ZLIB_CHECKSUM="c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb
 ARG OPENSSL_VERSION="1.1.1c"
 ARG OPENSSL_CHECKSUM="f6fb3079ad15076154eda9413fed42877d668e7069d9b87396d0804fdb3f4c90"
 
-ARG NGINX_VERSION="1.17.2"
-ARG NGINX_CHECKSUM="5e333687464e1d6dfb86fc22d653b99a6798dda40093b33186eeeec5a97e69ec"
+ARG NGINX_VERSION="1.17.3"
+ARG NGINX_CHECKSUM="3b84fe1c2cf9ca22fde370e486a9ab16b6427df1b6ea62cdb61978c9f34d0f3c"
 ARG NGINX_CONFIG="\
     --with-cc-opt='-fstack-protector-all' \
     --with-ld-opt='-Wl,-z,relro,-z,now' \
diff --git a/Dockerfile.musl b/Dockerfile.musl
index d26fe93..f71a8f9 100644
--- a/Dockerfile.musl
+++ b/Dockerfile.musl
@@ -9,8 +9,8 @@ ARG ZLIB_CHECKSUM="c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb
 ARG OPENSSL_VERSION="1.1.1c"
 ARG OPENSSL_CHECKSUM="f6fb3079ad15076154eda9413fed42877d668e7069d9b87396d0804fdb3f4c90"
 
-ARG NGINX_VERSION="1.17.2"
-ARG NGINX_CHECKSUM="5e333687464e1d6dfb86fc22d653b99a6798dda40093b33186eeeec5a97e69ec"
+ARG NGINX_VERSION="1.17.3"
+ARG NGINX_CHECKSUM="3b84fe1c2cf9ca22fde370e486a9ab16b6427df1b6ea62cdb61978c9f34d0f3c"
 ARG NGINX_CONFIG="\
     --with-cc-opt='-static' \
     --with-ld-opt='-static' \
diff --git a/README.md b/README.md
index 157b425..bc601c5 100644
--- a/README.md
+++ b/README.md
@@ -9,15 +9,15 @@
 
 Available on [Docker Hub](https://hub.docker.com) as [`ricardbejarano/nginx`](https://hub.docker.com/r/ricardbejarano/nginx):
 
-- [`1.17.2-glibc`, `1.17.2`, `glibc`, `master`, `latest` *(Dockerfile.glibc)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.glibc)
-- [`1.17.2-musl`, `musl` *(Dockerfile.musl)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.musl)
+- [`1.17.3-glibc`, `1.17.3`, `glibc`, `master`, `latest` *(Dockerfile.glibc)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.glibc)
+- [`1.17.3-musl`, `musl` *(Dockerfile.musl)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.musl)
 
 ### Quay
 
 Available on [Quay](https://quay.io) as:
 
-- [`quay.io/ricardbejarano/nginx-glibc`](https://quay.io/repository/ricardbejarano/nginx-glibc), tags: [`1.17.2`, `master`, `latest` *(Dockerfile.glibc)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.glibc)
-- [`quay.io/ricardbejarano/nginx-musl`](https://quay.io/repository/ricardbejarano/nginx-musl), tags: [`1.17.2`, `master`, `latest` *(Dockerfile.musl)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.musl)
+- [`quay.io/ricardbejarano/nginx-glibc`](https://quay.io/repository/ricardbejarano/nginx-glibc), tags: [`1.17.3`, `master`, `latest` *(Dockerfile.glibc)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.glibc)
+- [`quay.io/ricardbejarano/nginx-musl`](https://quay.io/repository/ricardbejarano/nginx-musl), tags: [`1.17.3`, `master`, `latest` *(Dockerfile.musl)*](https://github.com/ricardbejarano/nginx/blob/master/Dockerfile.musl)
 
 
 ## Features