diff --git a/spring-web/src/main/java/org/springframework/http/HttpMethod.java b/spring-web/src/main/java/org/springframework/http/HttpMethod.java
index 608d7d535a1..bf5843aeda7 100644
--- a/spring-web/src/main/java/org/springframework/http/HttpMethod.java
+++ b/spring-web/src/main/java/org/springframework/http/HttpMethod.java
@@ -17,6 +17,7 @@
 package org.springframework.http;
 
 import java.io.Serializable;
+import java.util.Locale;
 
 import org.jspecify.annotations.Nullable;
 
@@ -29,6 +30,7 @@ import org.springframework.util.Assert;
  *
  * @author Arjen Poutsma
  * @author Juergen Hoeller
+ * @author Sam Brannen
  * @since 3.0
  */
 public final class HttpMethod implements Comparable<HttpMethod>, Serializable {
@@ -110,12 +112,14 @@ public final class HttpMethod implements Comparable<HttpMethod>, Serializable {
 
 	/**
 	 * Return an {@code HttpMethod} object for the given value.
+	 * <p>As of Spring Framework 7.1, lookups for predefined constants such as
+	 * {@link HttpMethod#GET GET} are case-insensitive.
 	 * @param method the method value as a String
 	 * @return the corresponding {@code HttpMethod}
 	 */
 	public static HttpMethod valueOf(String method) {
 		Assert.notNull(method, "Method must not be null");
-		return switch (method) {
+		return switch (method.toUpperCase(Locale.ROOT)) {
 			case "GET" -> GET;
 			case "HEAD" -> HEAD;
 			case "POST" -> POST;
diff --git a/spring-web/src/test/java/org/springframework/http/HttpMethodTests.java b/spring-web/src/test/java/org/springframework/http/HttpMethodTests.java
index 1fb6205aad7..ac3a3f0ae4e 100644
--- a/spring-web/src/test/java/org/springframework/http/HttpMethodTests.java
+++ b/spring-web/src/test/java/org/springframework/http/HttpMethodTests.java
@@ -57,8 +57,15 @@ class HttpMethodTests {
 		HttpMethod get = HttpMethod.valueOf("GET");
 		assertThat(get).isSameAs(HttpMethod.GET);
 
-		HttpMethod foo = HttpMethod.valueOf("FOO");
-		HttpMethod other = HttpMethod.valueOf("FOO");
+		get = HttpMethod.valueOf("Get");
+		assertThat(get).isSameAs(HttpMethod.GET);
+
+		get = HttpMethod.valueOf("get");
+		assertThat(get).isSameAs(HttpMethod.GET);
+
+		HttpMethod foo = HttpMethod.valueOf("foo");
+		HttpMethod other = HttpMethod.valueOf("foo");
+		assertThat(foo).isNotSameAs(other);
 		assertThat(foo).isEqualTo(other);
 	}
 
@@ -73,4 +80,5 @@ class HttpMethodTests {
 		assertThat(HttpMethod.GET.matches("GET")).isTrue();
 		assertThat(HttpMethod.GET.matches("FOO")).isFalse();
 	}
+
 }