diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 0910329..c8a22dc 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -18,18 +18,17 @@ repositories {
 
 dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter:5.10.2")
-    testImplementation("org.skyscreamer:jsonassert:1.5.0")
-    testImplementation("com.mashape.unirest:unirest-java:1.4.9")
+    // testImplementation("org.skyscreamer:jsonassert:1.5.0") // For JSON assertions in tests.
+    // testImplementation("com.mashape.unirest:unirest-java:1.4.9") // For HTTP requests in tests.
     testRuntimeOnly("org.junit.platform:junit-platform-launcher:1.10.2")
 
-    implementation("com.google.guava:guava:32.1.1-jre")
+    // implementation("com.google.guava:guava:33.1.0-jre") // Currently not used.
     implementation("com.sparkjava:spark-core:2.9.4")
     implementation("com.fasterxml.jackson.core:jackson-core:2.17.0")
     implementation("com.fasterxml.jackson.core:jackson-databind:2.17.0")
 
-    implementation("org.slf4j:slf4j-simple:1.7.30")
-    implementation("mysql:mysql-connector-java:8.0.19")
-    implementation("org.xerial:sqlite-jdbc:3.30.1")
+    implementation("org.slf4j:slf4j-simple:2.0.13")
+    implementation("org.xerial:sqlite-jdbc:3.45.3.0")
 }
 
 // Apply a specific Java toolchain to ease working on different environments.