diff --git a/engine/build.gradle.kts b/engine/build.gradle.kts
index 4d04d576..e055592a 100644
--- a/engine/build.gradle.kts
+++ b/engine/build.gradle.kts
@@ -35,7 +35,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[4,5)")
-          prefer("4.11.0")
+          prefer("4.12.0")
         }
       }
     }
@@ -73,8 +73,8 @@ dependencies {
   testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.11")
 
   implementation("com.squareup.okio:okio:3.6.0")
-  implementation("com.squareup.okhttp3:okhttp:4.11.0")
-  testImplementation("com.squareup.okhttp3:mockwebserver:4.11.0")
+  implementation("com.squareup.okhttp3:okhttp:4.12.0")
+  testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
 
   implementation("org.apache.commons:commons-compress:1.24.0")
   testImplementation("org.apache.commons:commons-lang3:3.13.0")
diff --git a/integrationtest/build.gradle.kts b/integrationtest/build.gradle.kts
index 4501d5c9..a45d01ca 100644
--- a/integrationtest/build.gradle.kts
+++ b/integrationtest/build.gradle.kts
@@ -29,7 +29,7 @@ dependencies {
       implementation(it) {
         version {
           strictly("[4,5)")
-          prefer("4.11.0")
+          prefer("4.12.0")
         }
       }
     }
@@ -56,7 +56,7 @@ dependencies {
     }
   }
   implementation(project(":engine"))
-  testImplementation("com.squareup.okhttp3:okhttp:4.11.0")
+  testImplementation("com.squareup.okhttp3:okhttp:4.12.0")
 
   testImplementation("org.slf4j:slf4j-api:2.0.9")
   testRuntimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.11")