diff --git a/codegen-test/build.gradle.kts b/codegen-test/build.gradle.kts
index ee8e545..cb6c802 100644
--- a/codegen-test/build.gradle.kts
+++ b/codegen-test/build.gradle.kts
@@ -40,8 +40,12 @@ dependencies {
 
     implementation("org.seasar.doma:doma-core:$domaVersion")
     annotationProcessor("org.seasar.doma:doma-processor:$domaVersion")
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.4")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.4")
+    
+    // Use JUnit BOM for version management
+    testImplementation(platform("org.junit:junit-bom:5.12.2"))
+    testImplementation("org.junit.jupiter:junit-jupiter-api")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
     testRuntimeOnly("com.h2database:h2:$h2Version")
 }
 
diff --git a/codegen/build.gradle.kts b/codegen/build.gradle.kts
index 2483c42..6e505c0 100644
--- a/codegen/build.gradle.kts
+++ b/codegen/build.gradle.kts
@@ -52,9 +52,13 @@ repositories {
 dependencies {
     implementation("org.freemarker:freemarker:2.3.34")
     testImplementation("org.seasar.doma:doma-core:3.7.0")
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.4")
-    testImplementation("org.junit.jupiter:junit-jupiter-params:5.11.4")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.4")
+    
+    // Use JUnit BOM for version management
+    testImplementation(platform("org.junit:junit-bom:5.12.2"))
+    testImplementation("org.junit.jupiter:junit-jupiter-api")
+    testImplementation("org.junit.jupiter:junit-jupiter-params")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
 
 tasks {