diff --git a/build.gradle b/build.gradle
index dcca38f6..c4f0fd17 100644
--- a/build.gradle
+++ b/build.gradle
@@ -58,7 +58,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.8.6'
     implementation 'io.undertow:undertow-core:2.2.0.Final'
     implementation 'com.google.guava:guava:23.0'
-    implementation 'com.sparkjava:spark-core:2.9.2'
+    implementation 'com.sparkjava:spark-core:2.9.4'
     implementation 'com.h2database:h2:1.4.200'
     compileOnly 'org.projectlombok:lombok:1.18.12'
     implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.4.10'