diff --git a/engine/build.gradle.kts b/engine/build.gradle.kts
index 841e5d38..a42a1333 100644
--- a/engine/build.gradle.kts
+++ b/engine/build.gradle.kts
@@ -19,7 +19,7 @@ dependencies {
     implementation("org.slf4j:slf4j-api") {
       version {
         strictly("[1.7,3)")
-        prefer("2.0.7")
+        prefer("2.0.9")
       }
     }
     implementation("com.squareup.moshi:moshi") {
@@ -69,7 +69,7 @@ dependencies {
 
   implementation("com.squareup.moshi:moshi:1.15.0")
 
-  implementation("org.slf4j:slf4j-api:2.0.7")
+  implementation("org.slf4j:slf4j-api:2.0.9")
   testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.8")
 
   implementation("com.squareup.okio:okio:3.5.0")
diff --git a/integrationtest/build.gradle.kts b/integrationtest/build.gradle.kts
index 14ecc9e1..5a2e0576 100644
--- a/integrationtest/build.gradle.kts
+++ b/integrationtest/build.gradle.kts
@@ -19,7 +19,7 @@ dependencies {
     implementation("org.slf4j:slf4j-api") {
       version {
         strictly("[1.7,3)")
-        prefer("2.0.7")
+        prefer("2.0.9")
       }
     }
     listOf(
@@ -58,7 +58,7 @@ dependencies {
   implementation(project(":engine"))
   testImplementation("com.squareup.okhttp3:okhttp:4.11.0")
 
-  testImplementation("org.slf4j:slf4j-api:2.0.7")
+  testImplementation("org.slf4j:slf4j-api:2.0.9")
   testRuntimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.8")
 
   testImplementation("org.spockframework:spock-core:2.3-groovy-4.0")