diff --git a/spring-ws-platform/build.gradle b/spring-ws-platform/build.gradle
index 0ff6d957..63972ac4 100644
--- a/spring-ws-platform/build.gradle
+++ b/spring-ws-platform/build.gradle
@@ -14,7 +14,7 @@ dependencies {
 	api(platform("org.junit:junit-bom:5.11.0"))
 	api(platform("org.slf4j:slf4j-bom:2.0.17"))
 	api(platform("org.springframework:spring-framework-bom:${springFrameworkVersion}"))
-	api(platform("org.springframework.security:spring-security-bom:6.1.9"))
+	api(platform("org.springframework.security:spring-security-bom:6.3.8"))
 	constraints {
 		api("com.fasterxml.woodstox:woodstox-core:6.5.1")
 		api("com.icegreen:greenmail:2.0.1")
diff --git a/spring-ws-security/build.gradle b/spring-ws-security/build.gradle
index 4ca61370..a2d88a3a 100644
--- a/spring-ws-security/build.gradle
+++ b/spring-ws-security/build.gradle
@@ -36,7 +36,7 @@ dependencies {
 compatibilityTest {
 	dependency("Spring Security") { springSecurity ->
 		springSecurity.groupId = "org.springframework.security"
-		springSecurity.versions = ["6.2.+", "6.3.+", "6.4.+"]
+		springSecurity.versions = ["6.1.+", "6.2.+", "6.4.+"]
 	}
 }