diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 5d65c51..c51a2b9 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -5,9 +5,9 @@ name: Java CI with Maven
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "2.2" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "2.2" ]
 
 jobs:
   validate-formatting:
diff --git a/pom.xml b/pom.xml
index 90a895e..12c5257 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <maven.compiler.target>17</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <spring.boot.version>3.1.8</spring.boot.version>
+        <spring.boot.version>3.1.9</spring.boot.version>
         <maven.jar.version>3.3.0</maven.jar.version>
         <maven.source.version>3.2.1</maven.source.version>
         <maven.javadoc.version>3.4.1</maven.javadoc.version>