diff --git a/14/mariadb-tomcat/Dockerfile b/14/mariadb-tomcat/Dockerfile
index d1480b730ab8113904a8e824bc3af71b63300fde..319c0ef8603040eaabdc0bbb77c89dff3aef3b06 100644
--- a/14/mariadb-tomcat/Dockerfile
+++ b/14/mariadb-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/14/mysql-tomcat/Dockerfile b/14/mysql-tomcat/Dockerfile
index 22040a6e14afd38e4ba31b454ccf4652f5ef893e..ed2ad099dcff10119f6f3942dc1d7b4cb4e76970 100644
--- a/14/mysql-tomcat/Dockerfile
+++ b/14/mysql-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/14/postgres-tomcat/Dockerfile b/14/postgres-tomcat/Dockerfile
index 77aa2c97aa430b84c8569ba09ec28dd9f603dc9b..ae0c69ba0457d83133a016505fe64d7162e40599 100644
--- a/14/postgres-tomcat/Dockerfile
+++ b/14/postgres-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15.5/mariadb-tomcat/Dockerfile b/15.5/mariadb-tomcat/Dockerfile
index 0d738b20e13e056a0d84ad02dbde5b16aa20e484..b03687db75ce9feed3cebd848ffbd5dcea802ecf 100644
--- a/15.5/mariadb-tomcat/Dockerfile
+++ b/15.5/mariadb-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15.5/mysql-tomcat/Dockerfile b/15.5/mysql-tomcat/Dockerfile
index b65698f4165f3cc1912f7e87ea0d378ebb116514..882fef010b95b1a73f2087d8c3dcfb6119ae13e6 100644
--- a/15.5/mysql-tomcat/Dockerfile
+++ b/15.5/mysql-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15.5/postgres-tomcat/Dockerfile b/15.5/postgres-tomcat/Dockerfile
index 11bf3ff64711e331e6fe30f36d7d6aa4123a06c7..d8ee216142108c7663fd8eda6a7ff731efb73851 100644
--- a/15.5/postgres-tomcat/Dockerfile
+++ b/15.5/postgres-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15/mariadb-tomcat/Dockerfile b/15/mariadb-tomcat/Dockerfile
index 3a22f8c9edd92b806266449e8b848ba174d1037f..7cd3a634595478861a3a1d517452f96229d788db 100644
--- a/15/mariadb-tomcat/Dockerfile
+++ b/15/mariadb-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15/mysql-tomcat/Dockerfile b/15/mysql-tomcat/Dockerfile
index fa2d890bc52fcf9f12a03e396e084c7c92c3db00..5d2a46f69a9ff72ea514299a7e790420d46b6cfa 100644
--- a/15/mysql-tomcat/Dockerfile
+++ b/15/mysql-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/15/postgres-tomcat/Dockerfile b/15/postgres-tomcat/Dockerfile
index f93683ebe6c1394ed54a5fd64d6af430cb1ea72f..64c800f6a0b65c255a3c70289f21f3d50e7f04ab 100644
--- a/15/postgres-tomcat/Dockerfile
+++ b/15/postgres-tomcat/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)
diff --git a/template/Dockerfile b/template/Dockerfile
index b78628a895ea8e670612d886b216fb7cf9241b7f..a4813578d1b285a4d7109fe93914935550d8fb90 100644
--- a/template/Dockerfile
+++ b/template/Dockerfile
@@ -17,7 +17,7 @@
 # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 # 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 # ---------------------------------------------------------------------------
-FROM tomcat:9-jre11
+FROM tomcat:9-jre17
 
 #    ____  ____  ____      ____  _   __        _
 #   |_  _||_  _||_  _|    |_  _|(_) [  |  _   (_)