diff --git a/mock-infrastructure/build.gradle b/mock-infrastructure/build.gradle
index 0c92866937e..3707b64b5e7 100644
--- a/mock-infrastructure/build.gradle
+++ b/mock-infrastructure/build.gradle
@@ -74,7 +74,7 @@ dependencies {
   implementation group:  'com.fasterxml.jackson.core',   name: 'jackson-core',                   version: jacksonVersion
   implementation group:  'javax.annotation',             name: 'javax.annotation-api',           version: javaxAnnotationApiVersion
   implementation group:  'com.google.protobuf',          name: 'protobuf-java-util',             version: protobufVersion
-  implementation group:  'io.jsonwebtoken',              name: 'jjwt',                           version: '0.12.5'
+  implementation group:  'io.jsonwebtoken',              name: 'jjwt',                           version: '0.12.6'
   implementation group:  'com.google.code.gson',         name: 'gson',                           version: gsonVersion
   implementation group:   'io.swagger',                  name: 'swagger-annotations',            version: '1.6.14'
   testImplementation group: 'org.mockito',               name: 'mockito-core',                   version: mockitoVersion
diff --git a/mock-thunderhead/build.gradle b/mock-thunderhead/build.gradle
index f844fe21b3a..d23370bf7b5 100644
--- a/mock-thunderhead/build.gradle
+++ b/mock-thunderhead/build.gradle
@@ -77,7 +77,7 @@ dependencies {
     implementation group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: jacksonVersion
     implementation group: 'org.openapitools',           name: 'jackson-databind-nullable', version: jacksonDatabindNullable
     implementation group: 'com.google.protobuf', name: 'protobuf-java-util', version: protobufVersion
-    implementation group: 'io.jsonwebtoken', name: 'jjwt', version: '0.12.5'
+    implementation group: 'io.jsonwebtoken', name: 'jjwt', version: '0.12.6'
     implementation group: 'com.h2database', name: 'h2', version: h2databaseVersion
 
     testImplementation group: 'org.mockito', name: 'mockito-core', version: mockitoVersion