diff --git a/apps/pom.xml b/apps/pom.xml
index 0b0a58a9e..8ad57b6c2 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
     <artifactId>struts2-apps</artifactId>
     <packaging>pom</packaging>
diff --git a/apps/rest-showcase/pom.xml b/apps/rest-showcase/pom.xml
index 1125bb2ce..3a595e5bd 100644
--- a/apps/rest-showcase/pom.xml
+++ b/apps/rest-showcase/pom.xml
@@ -24,12 +24,12 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-rest-showcase</artifactId>
     <packaging>war</packaging>
-    <version>2.5.29-SNAPSHOT</version>
+    <version>2.5.28.1</version>
     <name>Struts 2 Rest Showcase Webapp</name>
     <description>Struts 2 Rest Showcase Example</description>
 
diff --git a/apps/showcase/pom.xml b/apps/showcase/pom.xml
index 3d9450cc4..a920839e1 100644
--- a/apps/showcase/pom.xml
+++ b/apps/showcase/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-apps</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-showcase</artifactId>
diff --git a/assembly/pom.xml b/assembly/pom.xml
index c76947d89..2d6e3d899 100644
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-assembly</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index be11a56a6..7080dda91 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -30,7 +30,7 @@
     </parent>
 
     <artifactId>struts2-bom</artifactId>
-    <version>2.5.29-SNAPSHOT</version>
+    <version>2.5.28.1</version>
     <packaging>pom</packaging>
 
     <name>Struts 2 Bill of Materials</name>
@@ -45,7 +45,7 @@
     </licenses>
 
     <properties>
-        <struts-version.version>2.5.29-SNAPSHOT</struts-version.version>
+        <struts-version.version>2.5.28.1</struts-version.version>
         <maven.site.skip>true</maven.site.skip>
         <maven.site.deploy.skip>true</maven.site.deploy.skip>
     </properties>
@@ -181,7 +181,7 @@
     </dependencyManagement>
 
   <scm>
-    <tag>STRUTS_2_5_27</tag>
+    <tag>STRUTS_2_5_28_1</tag>
     <connection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</developerConnection>
     <url>https://github.com/apache/struts/</url>
diff --git a/bundles/admin/pom.xml b/bundles/admin/pom.xml
index 98532d40d..d9a0d93b7 100644
--- a/bundles/admin/pom.xml
+++ b/bundles/admin/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-osgi-bundles</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-osgi-admin-bundle</artifactId>
diff --git a/bundles/demo/pom.xml b/bundles/demo/pom.xml
index fbab73d5c..fbae76c1a 100644
--- a/bundles/demo/pom.xml
+++ b/bundles/demo/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-osgi-bundles</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-osgi-demo-bundle</artifactId>
diff --git a/bundles/pom.xml b/bundles/pom.xml
index 11812541e..24bd5a581 100755
--- a/bundles/pom.xml
+++ b/bundles/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-osgi-bundles</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 2cab90013..50a033d41 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
     <artifactId>struts2-core</artifactId>
     <packaging>jar</packaging>
diff --git a/plugins/bean-validation/pom.xml b/plugins/bean-validation/pom.xml
index 500a7e20b..d654b538b 100644
--- a/plugins/bean-validation/pom.xml
+++ b/plugins/bean-validation/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/plugins/cdi/pom.xml b/plugins/cdi/pom.xml
index a2fde88d5..7d6b16721 100644
--- a/plugins/cdi/pom.xml
+++ b/plugins/cdi/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-cdi-plugin</artifactId>
diff --git a/plugins/config-browser/pom.xml b/plugins/config-browser/pom.xml
index bfe85b5c5..a3996eb2d 100644
--- a/plugins/config-browser/pom.xml
+++ b/plugins/config-browser/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-config-browser-plugin</artifactId>
diff --git a/plugins/convention/pom.xml b/plugins/convention/pom.xml
index 29494d242..2277659c0 100644
--- a/plugins/convention/pom.xml
+++ b/plugins/convention/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-convention-plugin</artifactId>
diff --git a/plugins/dwr/pom.xml b/plugins/dwr/pom.xml
index faec1d2a9..864bc806c 100644
--- a/plugins/dwr/pom.xml
+++ b/plugins/dwr/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-dwr-plugin</artifactId>
diff --git a/plugins/embeddedjsp/pom.xml b/plugins/embeddedjsp/pom.xml
index 065884093..6bc73117a 100644
--- a/plugins/embeddedjsp/pom.xml
+++ b/plugins/embeddedjsp/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-embeddedjsp-plugin</artifactId>
diff --git a/plugins/gxp/pom.xml b/plugins/gxp/pom.xml
index 185d6ffa9..2e003375c 100644
--- a/plugins/gxp/pom.xml
+++ b/plugins/gxp/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-gxp-plugin</artifactId>
diff --git a/plugins/jasperreports/pom.xml b/plugins/jasperreports/pom.xml
index 6f698e360..ad13ec940 100644
--- a/plugins/jasperreports/pom.xml
+++ b/plugins/jasperreports/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-jasperreports-plugin</artifactId>
diff --git a/plugins/javatemplates/pom.xml b/plugins/javatemplates/pom.xml
index 24309f3f2..a9eda4f83 100644
--- a/plugins/javatemplates/pom.xml
+++ b/plugins/javatemplates/pom.xml
@@ -25,7 +25,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-javatemplates-plugin</artifactId>
diff --git a/plugins/jfreechart/pom.xml b/plugins/jfreechart/pom.xml
index 1b2241337..164634984 100644
--- a/plugins/jfreechart/pom.xml
+++ b/plugins/jfreechart/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
    </parent>
 
     <artifactId>struts2-jfreechart-plugin</artifactId>
diff --git a/plugins/json/pom.xml b/plugins/json/pom.xml
index e9e0dda86..d36692c8c 100644
--- a/plugins/json/pom.xml
+++ b/plugins/json/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-json-plugin</artifactId>
diff --git a/plugins/junit/pom.xml b/plugins/junit/pom.xml
index dbc617796..a2f5117fe 100644
--- a/plugins/junit/pom.xml
+++ b/plugins/junit/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-junit-plugin</artifactId>
diff --git a/plugins/osgi/pom.xml b/plugins/osgi/pom.xml
index e2f8157a8..a8840a479 100644
--- a/plugins/osgi/pom.xml
+++ b/plugins/osgi/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-osgi-plugin</artifactId>
diff --git a/plugins/oval/pom.xml b/plugins/oval/pom.xml
index 14077e374..13559822c 100644
--- a/plugins/oval/pom.xml
+++ b/plugins/oval/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-oval-plugin</artifactId>
diff --git a/plugins/pell-multipart/pom.xml b/plugins/pell-multipart/pom.xml
index f81a09dcc..99cf9f40e 100644
--- a/plugins/pell-multipart/pom.xml
+++ b/plugins/pell-multipart/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-pell-multipart-plugin</artifactId>
diff --git a/plugins/plexus/pom.xml b/plugins/plexus/pom.xml
index e1d63288d..7bf2cb995 100644
--- a/plugins/plexus/pom.xml
+++ b/plugins/plexus/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-plexus-plugin</artifactId>
diff --git a/plugins/pom.xml b/plugins/pom.xml
index 03281c507..f222fa771 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-parent</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-plugins</artifactId>
diff --git a/plugins/portlet-tiles/pom.xml b/plugins/portlet-tiles/pom.xml
index 302e39ceb..abe7de8c0 100644
--- a/plugins/portlet-tiles/pom.xml
+++ b/plugins/portlet-tiles/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-portlet-tiles-plugin</artifactId>
diff --git a/plugins/portlet/pom.xml b/plugins/portlet/pom.xml
index c202d1e8d..ad6a19b7f 100644
--- a/plugins/portlet/pom.xml
+++ b/plugins/portlet/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-portlet-plugin</artifactId>
diff --git a/plugins/rest/pom.xml b/plugins/rest/pom.xml
index fb059f5e3..4225b757d 100644
--- a/plugins/rest/pom.xml
+++ b/plugins/rest/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-rest-plugin</artifactId>
diff --git a/plugins/sitegraph/pom.xml b/plugins/sitegraph/pom.xml
index d4160cfc5..5b5103928 100644
--- a/plugins/sitegraph/pom.xml
+++ b/plugins/sitegraph/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-sitegraph-plugin</artifactId>
diff --git a/plugins/sitemesh/pom.xml b/plugins/sitemesh/pom.xml
index 4d8fe4968..6fa55a683 100644
--- a/plugins/sitemesh/pom.xml
+++ b/plugins/sitemesh/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-sitemesh-plugin</artifactId>
diff --git a/plugins/spring/pom.xml b/plugins/spring/pom.xml
index 181bad275..4d1a50c04 100644
--- a/plugins/spring/pom.xml
+++ b/plugins/spring/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-spring-plugin</artifactId>
diff --git a/plugins/testng/pom.xml b/plugins/testng/pom.xml
index 0449065c4..3934e1437 100644
--- a/plugins/testng/pom.xml
+++ b/plugins/testng/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-testng-plugin</artifactId>
diff --git a/plugins/tiles/pom.xml b/plugins/tiles/pom.xml
index 339e7ab94..7b9214528 100644
--- a/plugins/tiles/pom.xml
+++ b/plugins/tiles/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>org.apache.struts</groupId>
         <artifactId>struts2-plugins</artifactId>
-        <version>2.5.29-SNAPSHOT</version>
+        <version>2.5.28.1</version>
     </parent>
 
     <artifactId>struts2-tiles-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 7e94a9e8c..c1089c742 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>struts2-parent</artifactId>
-    <version>2.5.29-SNAPSHOT</version>
+    <version>2.5.28.1</version>
     <packaging>pom</packaging>
     <name>Struts 2</name>
     <url>http://struts.apache.org/</url>
@@ -51,7 +51,7 @@
         <connection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</connection>
         <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/struts.git</developerConnection>
         <url>https://github.com/apache/struts/</url>
-        <tag>STRUTS_2_5_27</tag>
+        <tag>STRUTS_2_5_28_1</tag>
     </scm>
 
     <issueManagement>
@@ -96,7 +96,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.build.outputTimestamp>2021-11-29T07:34:12Z</project.build.outputTimestamp>
+        <project.build.outputTimestamp>2021-12-16T15:29:56Z</project.build.outputTimestamp>
 
         <!-- Dependencies -->
         <ognl.version>3.1.29</ognl.version>