diff --git a/pom.xml b/pom.xml
index 1d4f7088..e9c9b907 100644
--- a/pom.xml
+++ b/pom.xml
@@ -62,7 +62,7 @@
 		<opsin-core.version>2.9.0</opsin-core.version>
 		<opsin-inchi.version>${opsin-core.version}</opsin-inchi.version>
 		<xom.version>1.3.9</xom.version>
-		<log4j2.version>2.25.3</log4j2.version>
+		<log4j2.version>2.25.4</log4j2.version>
 		<icu4j.version>78.1</icu4j.version>
 		<poi.version>5.5.1</poi.version>
 		<opennlp-maxent.version>3.0.3</opennlp-maxent.version>