diff --git a/pom.xml b/pom.xml
index 042247c8..0601e985 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,7 +55,7 @@
         <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
         <maven-surefire-plugin.version>3.1.0</maven-surefire-plugin.version>
         <formatter-maven-plugin.version>2.22.0</formatter-maven-plugin.version>
-        <impsort-maven-plugin.version>1.8.0</impsort-maven-plugin.version>
+        <impsort-maven-plugin.version>1.9.0</impsort-maven-plugin.version>
         <maven-install-plugin.version>3.1.1</maven-install-plugin.version>
         <maven-clean-plugin.version>3.2.0</maven-clean-plugin.version>
         <git-commit-id-maven-plugin.version>5.0.0</git-commit-id-maven-plugin.version>