diff --git a/api/sagan/src/main/java/io/spring/api/SaganApi.java b/api/sagan/src/main/java/io/spring/api/SaganApi.java
index ffc35c7..8a64024 100644
--- a/api/sagan/src/main/java/io/spring/api/SaganApi.java
+++ b/api/sagan/src/main/java/io/spring/api/SaganApi.java
@@ -126,8 +126,7 @@ public Generation getGeneration(String slug, String name) {
 	private HttpRequest.Builder requestBuilder(String uri) {
 		// @formatter:off
 		HttpRequest.Builder builder = HttpRequest.newBuilder()
-			.uri(URI.create(this.baseUrl + uri).normalize())
-			.header("Accept", "application/json");
+			.uri(URI.create(this.baseUrl + uri).normalize());
 		// @formatter:on
 		if (this.username != null && this.accessToken != null) {
 			var credentials = "%s:%s".formatted(this.username, this.accessToken);
diff --git a/api/sagan/src/test/java/io/spring/api/SaganApiTests.java b/api/sagan/src/test/java/io/spring/api/SaganApiTests.java
index 0a2e794..84e4e33 100644
--- a/api/sagan/src/test/java/io/spring/api/SaganApiTests.java
+++ b/api/sagan/src/test/java/io/spring/api/SaganApiTests.java
@@ -76,7 +76,7 @@ public void getProjectsWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -92,7 +92,7 @@ public void getProjectWhenUsernameAndAccessTokenAreNullThenSuccess() throws Exce
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeaders().names().contains("Authorization")).isFalse();
 	}
 
@@ -107,7 +107,7 @@ public void getProjectWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -125,7 +125,7 @@ public void getReleasesWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/releases");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -139,7 +139,7 @@ public void getReleasesWhenEndOfLifeThenEmpty() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-social/releases");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -151,7 +151,7 @@ public void createReleaseWhenValidParametersThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("POST");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/releases");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Content-Type")).isEqualTo("application/json");
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 		assertThat(recordedRequest.getBody().readString(Charset.defaultCharset()))
@@ -170,7 +170,7 @@ public void getReleaseWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/releases/6.1.0");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -182,7 +182,7 @@ public void deleteReleaseWhenValidParametersThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("DELETE");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/releases/6.1.0");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -207,7 +207,7 @@ public void getGenerationsWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/generations");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -221,7 +221,7 @@ public void getGenerationsWhenEndOfLifeThenEmpty() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-social/generations");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}
 
@@ -239,7 +239,7 @@ public void getGenerationWhenExistsThenSuccess() throws Exception {
 		var recordedRequest = this.server.takeRequest();
 		assertThat(recordedRequest.getMethod()).isEqualTo("GET");
 		assertThat(recordedRequest.getPath()).isEqualTo("/projects/spring-security/generations/6.1.x");
-		assertThat(recordedRequest.getHeader("Accept")).isEqualTo("application/json");
+		assertThat(recordedRequest.getHeader("Accept")).isNull();
 		assertThat(recordedRequest.getHeader("Authorization")).isEqualTo("Basic %s".formatted(AUTH_TOKEN));
 	}