diff --git a/osticket/Dockerfile b/osticket/Dockerfile
index 26c0b2e..2b8cb72 100644
--- a/osticket/Dockerfile
+++ b/osticket/Dockerfile
@@ -1,4 +1,4 @@
-FROM devinsolutions/osticket:1.15.4
+FROM devinsolutions/osticket:1.16.3
 WORKDIR /var/www/html
 
 COPY theme/default/ ./assets/default
diff --git a/redmine/Dockerfile b/redmine/Dockerfile
index d29331d..a035fc4 100644
--- a/redmine/Dockerfile
+++ b/redmine/Dockerfile
@@ -1,4 +1,4 @@
-FROM redmine
+FROM redmine:4.2.6
 
 WORKDIR /usr/src/redmine