diff --git a/samples/azure-ad-b2c-sample/auth-backend/build.gradle b/samples/azure-ad-b2c-sample/auth-backend/build.gradle
index 8d8ecb883..8219c64b5 100644
--- a/samples/azure-ad-b2c-sample/auth-backend/build.gradle
+++ b/samples/azure-ad-b2c-sample/auth-backend/build.gradle
@@ -44,12 +44,12 @@ subprojects {
     toolVersion = '0.8.12'
   }
   checkstyle {
-    toolVersion = '10.17.0'
+    toolVersion = '10.18.2'
     configDirectory = rootProject.file('config/checkstyle')
   } 
   spotbugs {
     excludeFilter.set(rootProject.file('config/spotbugs/exclude-filter.xml'))
-    toolVersion = '4.8.5'
+    toolVersion = '4.8.6'
     ignoreFailures = true
   }
 
diff --git a/samples/web-csr/dressca-backend/build.gradle b/samples/web-csr/dressca-backend/build.gradle
index 8d8ecb883..8219c64b5 100644
--- a/samples/web-csr/dressca-backend/build.gradle
+++ b/samples/web-csr/dressca-backend/build.gradle
@@ -44,12 +44,12 @@ subprojects {
     toolVersion = '0.8.12'
   }
   checkstyle {
-    toolVersion = '10.17.0'
+    toolVersion = '10.18.2'
     configDirectory = rootProject.file('config/checkstyle')
   } 
   spotbugs {
     excludeFilter.set(rootProject.file('config/spotbugs/exclude-filter.xml'))
-    toolVersion = '4.8.5'
+    toolVersion = '4.8.6'
     ignoreFailures = true
   }