diff --git a/build.gradle.kts b/build.gradle.kts
index b36fcfde..9045b07c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,7 +6,7 @@ val assertjVersion = "3.27.4"
 val kotlinLoggingVersion = "3.0.5"
 val logbackVersion = "1.5.18"
 val nimbusSdkVersion = "11.28"
-val mockWebServerVersion = "4.12.0"
+val mockWebServerVersion = "5.1.0"
 val jacksonVersion = "2.20.0"
 val nettyVersion = "4.2.5.Final"
 val junitJupiterVersion = "5.13.4"