diff --git a/gradle.lockfile b/gradle.lockfile
index 666a8d6..b8c8e05 100644
--- a/gradle.lockfile
+++ b/gradle.lockfile
@@ -9,14 +9,14 @@ org.antlr:antlr4-runtime:4.11.1=runtimeClasspath,testRuntimeClasspath
 org.apiguardian:apiguardian-api:1.1.2=testCompileClasspath
 org.checkerframework:checker-qual:3.21.2=runtimeClasspath,testRuntimeClasspath
 org.jspecify:jspecify:1.0.0=testCompileClasspath
-org.junit.jupiter:junit-jupiter-api:6.1.0=testCompileClasspath,testRuntimeClasspath
-org.junit.jupiter:junit-jupiter-engine:6.1.0=testRuntimeClasspath
-org.junit.jupiter:junit-jupiter-params:6.1.0=testCompileClasspath,testRuntimeClasspath
-org.junit.jupiter:junit-jupiter:6.1.0=testCompileClasspath,testRuntimeClasspath
-org.junit.platform:junit-platform-commons:6.1.0=testCompileClasspath,testRuntimeClasspath
-org.junit.platform:junit-platform-engine:6.1.0=testRuntimeClasspath
-org.junit.platform:junit-platform-launcher:6.1.0=testRuntimeClasspath
-org.junit:junit-bom:6.1.0=testCompileClasspath,testRuntimeClasspath
+org.junit.jupiter:junit-jupiter-api:6.1.3=testCompileClasspath,testRuntimeClasspath
+org.junit.jupiter:junit-jupiter-engine:6.1.3=testRuntimeClasspath
+org.junit.jupiter:junit-jupiter-params:6.1.3=testCompileClasspath,testRuntimeClasspath
+org.junit.jupiter:junit-jupiter:6.1.3=testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-commons:6.1.3=testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-engine:6.1.3=testRuntimeClasspath
+org.junit.platform:junit-platform-launcher:6.1.3=testRuntimeClasspath
+org.junit:junit-bom:6.1.3=testCompileClasspath,testRuntimeClasspath
 org.opentest4j:opentest4j:1.3.0=testCompileClasspath,testRuntimeClasspath
 org.relaxng:jing:20241231=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
 org.relaxng:trang:20241231=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1372568..b30526f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ saxon = "13.0"
 schxslt2 = "1.10.3"
 picocli = "4.7.7"
 tomlj = "1.1.1"
-junit = "6.1.0"
+junit = "6.1.3"
 spotless = "8.7.0"
 
 [libraries]