Upgrade to AspectJ 1.9.5 and Checkstyle 8.27

build.gradle

@@ -28,7 +28,7 @@ ext {
 		!it.name.equals("spring-build-src") && !it.name.equals("spring-framework-bom")
 	}
 
-	aspectjVersion       = "1.9.4"
+	aspectjVersion       = "1.9.5"
 	freemarkerVersion    = "2.3.28"
 	groovyVersion        = "2.5.8"
 	hsqldbVersion        = "2.4.1"
@@ -142,7 +142,7 @@ configure(allprojects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "8.26"
+		toolVersion = "8.27"
 		configDir = rootProject.file("src/checkstyle")
 	}