diff --git a/pom.xml b/pom.xml
index f9044e9..6be0786 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,7 +50,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>3.1.0</maven-surefire-plugin.version>
-        <impsort-maven-plugin.version>1.8.0</impsort-maven-plugin.version>
+        <impsort-maven-plugin.version>1.9.0</impsort-maven-plugin.version>
         <formatter-maven-plugin.version>2.22.0</formatter-maven-plugin.version>
         <directory-maven-plugin.version>1.0</directory-maven-plugin.version>
         <jetty.version>11.0.15</jetty.version>