diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index eb99442..ea63cea 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set up JDK 11
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v3
       with:
         java-version: 11
     - name: Build with Maven
diff --git a/pom.xml b/pom.xml
index e82c3b9..028ed07 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>11</java.version>
 		<junit.version>5.8.2</junit.version>
-		<log4j.version>2.17.1</log4j.version>
+		<log4j.version>2.25.3</log4j.version>
 		<orchestra.version>1.7.3</orchestra.version>
 		<saxon.version>10.6</saxon.version>
 		<ignoreSigningInformation>true</ignoreSigningInformation>