diff --git a/.idea/.idea.ab-nginx.dir/.idea/vcs.xml b/.idea/.idea.ab-nginx.dir/.idea/vcs.xml
index a6dbafe..b1fb770 100644
--- a/.idea/.idea.ab-nginx.dir/.idea/vcs.xml
+++ b/.idea/.idea.ab-nginx.dir/.idea/vcs.xml
@@ -15,6 +15,6 @@
     </option>
   </component>
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/build/Dockerfile b/build/Dockerfile
index 78dabbb..53f556b 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,7 +2,7 @@
 # build AB-NGINX container (based on NGINX mainline)
 #
 
-ARG NGINX_VERSION=1.21.6
+ARG NGINX_VERSION=1.22.1
 FROM nginx:${NGINX_VERSION}-alpine
 ARG NGINX_VERSION