diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93d1f86..f18ec9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.7.3-rc1
+
+* Updated to ClassicPress 1.7.3
+
 ## 1.7.1-rc1
 
 * **BREAKING CHANGES**:
diff --git a/classicpress/Dockerfile b/classicpress/Dockerfile
index 7a36735..e0ae030 100644
--- a/classicpress/Dockerfile
+++ b/classicpress/Dockerfile
@@ -4,7 +4,7 @@ LABEL Maintainer="Marek Sierociński"
 LABEL Description="ClassicPress image based on trafex/php-nginx"
 
 # Version of ClassicPress
-ARG version=1.7.1
+ARG version=1.7.3
 # ARG corerules_version=3.3.4
 ARG www_dir=/var/www/html