diff --git a/pom.xml b/pom.xml
index 66c5155..35b97f7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,10 +19,10 @@
 
 		<!-- dependencies -->
 		<gson.version>2.11.0</gson.version>
-		<guava.version>33.2.1-jre</guava.version>
+		<guava.version>33.3.0-jre</guava.version>
 		<siv-mode.version>1.5.2</siv-mode.version>
 		<bouncycastle.version>1.78.1</bouncycastle.version>
-		<slf4j.version>2.0.13</slf4j.version>
+		<slf4j.version>2.0.16</slf4j.version>
 
 		<!-- test dependencies -->
 		<junit.jupiter.version>5.11.0</junit.jupiter.version>