diff --git a/build.gradle b/build.gradle
index 9e0ac4e902..1e4598aa9d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -72,7 +72,7 @@ configure(allprojects) { project ->
 	ext.tiles3Version        = "3.0.5"
 	ext.tomcatVersion        = "8.0.26"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
-	ext.undertowVersion      = "1.2.11.Final"
+	ext.undertowVersion      = "1.2.12.Final"
 	ext.woodstoxVersion      = "5.0.1"
 	ext.xmlunitVersion       = "1.6"
 	ext.xstreamVersion       = "1.4.8"
@@ -910,7 +910,7 @@ project("spring-webmvc") {
 			exclude group: "org.slf4j", module: "jcl-over-slf4j"
 			exclude group: "org.springframework", module: "spring-web"
 		}
-		optional 'org.webjars:webjars-locator:0.26'
+		optional 'org.webjars:webjars-locator:0.28'
 		testCompile(project(":spring-aop"))
 		testCompile("rhino:js:1.7R1")
 		testCompile("xmlunit:xmlunit:${xmlunitVersion}")