diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.java
index e6f666513a0..ae987c4bc31 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.java
@@ -28,6 +28,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.nimbusds.jose.JWSAlgorithm;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.MockWebServer;
+import org.assertj.core.api.InstanceOfAssertFactories;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
@@ -99,7 +100,9 @@ class OAuth2ResourceServerAutoConfigurationTests {
 					JwtDecoder jwtDecoder = context.getBean(JwtDecoder.class);
 					Object processor = ReflectionTestUtils.getField(jwtDecoder, "jwtProcessor");
 					Object keySelector = ReflectionTestUtils.getField(processor, "jwsKeySelector");
-					assertThat(keySelector).hasFieldOrPropertyWithValue("jwsAlg", JWSAlgorithm.RS256);
+					assertThat(keySelector)
+							.extracting("jwsAlgs", InstanceOfAssertFactories.iterable(JWSAlgorithm.class))
+							.containsExactly(JWSAlgorithm.RS256);
 				});
 	}
 
@@ -112,7 +115,9 @@ class OAuth2ResourceServerAutoConfigurationTests {
 					JwtDecoder jwtDecoder = context.getBean(JwtDecoder.class);
 					Object processor = ReflectionTestUtils.getField(jwtDecoder, "jwtProcessor");
 					Object keySelector = ReflectionTestUtils.getField(processor, "jwsKeySelector");
-					assertThat(keySelector).hasFieldOrPropertyWithValue("jwsAlg", JWSAlgorithm.RS384);
+					assertThat(keySelector)
+							.extracting("jwsAlgs", InstanceOfAssertFactories.iterable(JWSAlgorithm.class))
+							.containsExactly(JWSAlgorithm.RS384);
 					assertThat(getBearerTokenFilter(context)).isNotNull();
 				});
 	}
diff --git a/spring-boot-project/spring-boot-dependencies/build.gradle b/spring-boot-project/spring-boot-dependencies/build.gradle
index 7aa96b6a143..fd63f55138c 100644
--- a/spring-boot-project/spring-boot-dependencies/build.gradle
+++ b/spring-boot-project/spring-boot-dependencies/build.gradle
@@ -1738,7 +1738,7 @@ bom {
 			]
 		}
 	}
-	library("Spring Security", "5.3.2.RELEASE") {
+	library("Spring Security", "5.3.3.RELEASE") {
 		group("org.springframework.security") {
 			imports = [
 				"spring-security-bom"