diff --git a/webapp-runner-9/CHANGELOG.md b/webapp-runner-9/CHANGELOG.md
index 04ac6be0..38056c90 100644
--- a/webapp-runner-9/CHANGELOG.md
+++ b/webapp-runner-9/CHANGELOG.md
@@ -4,6 +4,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
 
+- Update Tomcat to version `9.0.113`. ([#711](https://github.com/heroku/webapp-runner/pull/711))
 
 ## [9.0.112.0] - 2025-12-04
 
diff --git a/webapp-runner-9/pom.xml b/webapp-runner-9/pom.xml
index 706bb303..7ff4edff 100644
--- a/webapp-runner-9/pom.xml
+++ b/webapp-runner-9/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.heroku</groupId>
     <artifactId>webapp-runner-parent</artifactId>
-    <version>9.0.112.1-SNAPSHOT</version>
+    <version>9.0.113.0-SNAPSHOT</version>
     <packaging>pom</packaging>
     <name>webapp-runner-parent</name>
     <description>Lightweight Application Launcher. Launch your webapp in the most popular open source web container
@@ -66,7 +66,7 @@
         <redisson.version>3.52.0</redisson.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <invoker.plugin.version>2.0.0</invoker.plugin.version>
-        <tomcat.version>9.0.112</tomcat.version>
+        <tomcat.version>9.0.113</tomcat.version>
         <javadoc.plugin.version>3.12.0</javadoc.plugin.version>
         <nexus-staging.plugin.version>1.7.0</nexus-staging.plugin.version>
         <testng.version>7.11.0</testng.version>
diff --git a/webapp-runner-9/webapp-runner-main/pom.xml b/webapp-runner-9/webapp-runner-main/pom.xml
index fe1b8b8c..fb7006ab 100644
--- a/webapp-runner-9/webapp-runner-main/pom.xml
+++ b/webapp-runner-9/webapp-runner-main/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>webapp-runner-parent</artifactId>
         <groupId>com.heroku</groupId>
-        <version>9.0.112.1-SNAPSHOT</version>
+        <version>9.0.113.0-SNAPSHOT</version>
     </parent>
     <name>webapp-runner-main</name>
     <modelVersion>4.0.0</modelVersion>
diff --git a/webapp-runner-9/webapp-runner-memcached/pom.xml b/webapp-runner-9/webapp-runner-memcached/pom.xml
index 28455aa6..55bcb5c1 100644
--- a/webapp-runner-9/webapp-runner-memcached/pom.xml
+++ b/webapp-runner-9/webapp-runner-memcached/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>webapp-runner-parent</artifactId>
         <groupId>com.heroku</groupId>
-        <version>9.0.112.1-SNAPSHOT</version>
+        <version>9.0.113.0-SNAPSHOT</version>
     </parent>
     <name>webapp-runner-memcached</name>
     <modelVersion>4.0.0</modelVersion>
diff --git a/webapp-runner-9/webapp-runner-redis/pom.xml b/webapp-runner-9/webapp-runner-redis/pom.xml
index 1c53e3a0..b6048e7c 100644
--- a/webapp-runner-9/webapp-runner-redis/pom.xml
+++ b/webapp-runner-9/webapp-runner-redis/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>webapp-runner-parent</artifactId>
         <groupId>com.heroku</groupId>
-        <version>9.0.112.1-SNAPSHOT</version>
+        <version>9.0.113.0-SNAPSHOT</version>
     </parent>
     <name>webapp-runner-redis</name>
     <modelVersion>4.0.0</modelVersion>
diff --git a/webapp-runner-9/webapp-runner/pom.xml b/webapp-runner-9/webapp-runner/pom.xml
index 58dabeda..32382825 100644
--- a/webapp-runner-9/webapp-runner/pom.xml
+++ b/webapp-runner-9/webapp-runner/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>webapp-runner-parent</artifactId>
         <groupId>com.heroku</groupId>
-        <version>9.0.112.1-SNAPSHOT</version>
+        <version>9.0.113.0-SNAPSHOT</version>
     </parent>
     <name>webapp-runner</name>
     <modelVersion>4.0.0</modelVersion>