diff --git a/Plan/build.gradle b/Plan/build.gradle
index a0c124942..73dbe02aa 100644
--- a/Plan/build.gradle
+++ b/Plan/build.gradle
@@ -108,7 +108,7 @@ subprojects {
         junitVersion = "5.10.2"
         mockitoVersion = "5.11.0"
         testContainersVersion = "1.19.7"
-        swaggerVersion = "2.2.20"
+        swaggerVersion = "2.2.21"
     }
 
     repositories {