diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/EditorConfigurationBuilder.kt b/WordPress/src/main/java/org/wordpress/android/ui/posts/EditorConfigurationBuilder.kt
index 089ce48c41e5..a455c91d4272 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/EditorConfigurationBuilder.kt
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/EditorConfigurationBuilder.kt
@@ -2,6 +2,7 @@ package org.wordpress.android.ui.posts
 
 import org.wordpress.android.util.UrlUtils
 import org.wordpress.gutenberg.model.EditorConfiguration
+import org.wordpress.gutenberg.model.PostTypeDetails
 
 /**
  * Utility object for building EditorConfiguration from settings maps.
@@ -13,7 +14,8 @@ object EditorConfigurationBuilder {
     ): EditorConfiguration {
         val siteURL = settings.getSetting<String>("siteURL") ?: ""
         val siteApiRoot = settings.getSetting<String>("siteApiRoot") ?: ""
-        val postType = settings.getSetting<String>("postType") ?: "post"
+        val postType = settings.getSetting<PostTypeDetails>("postType")
+            ?: PostTypeDetails.post
         val siteApiNamespace = settings.getStringArray("siteApiNamespace")
 
         return EditorConfiguration.builder(
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilder.kt b/WordPress/src/main/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilder.kt
index c268fff930e7..d35fff16f41f 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilder.kt
+++ b/WordPress/src/main/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilder.kt
@@ -9,6 +9,7 @@ import org.wordpress.android.fluxc.utils.extensions.getPasswordProcessed
 import org.wordpress.android.fluxc.utils.extensions.getUserNameProcessed
 import org.wordpress.android.util.AppLog
 import org.wordpress.android.util.UrlUtils
+import org.wordpress.gutenberg.model.PostTypeDetails
 
 object GutenbergKitSettingsBuilder {
     private const val AUTH_BEARER_PREFIX = "Bearer "
@@ -128,7 +129,11 @@ object GutenbergKitSettingsBuilder {
 
         return mutableMapOf(
             "postId" to postConfig.remotePostId?.toInt(),
-            "postType" to if (postConfig.isPage) "page" else "post",
+            "postType" to if (postConfig.isPage) {
+                PostTypeDetails.page
+            } else {
+                PostTypeDetails.post
+            },
             "status" to postConfig.status,
             "postTitle" to postConfig.title,
             "postContent" to postConfig.content,
diff --git a/WordPress/src/test/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilderTest.kt b/WordPress/src/test/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilderTest.kt
index 05217a8e858e..de5ab603c1e8 100644
--- a/WordPress/src/test/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilderTest.kt
+++ b/WordPress/src/test/java/org/wordpress/android/ui/posts/GutenbergKitSettingsBuilderTest.kt
@@ -7,6 +7,7 @@ import org.junit.runner.RunWith
 import org.mockito.Mock
 import org.mockito.junit.MockitoJUnitRunner
 import org.wordpress.android.fluxc.network.UserAgent
+import org.wordpress.gutenberg.model.PostTypeDetails
 
 @RunWith(MockitoJUnitRunner::class)
 @Suppress("LargeClass")
@@ -428,7 +429,7 @@ class GutenbergKitSettingsBuilderTest {
 
         // Verify all settings are correctly configured
         assertThat(settings["postId"]).isEqualTo(456)
-        assertThat(settings["postType"]).isEqualTo("post")
+        assertThat(settings["postType"]).isEqualTo(PostTypeDetails.post)
         assertThat(settings["postTitle"]).isEqualTo("Test Post")
         assertThat(settings["postContent"]).isEqualTo("Test Content")
         assertThat(settings["siteURL"]).isEqualTo("https://example.wordpress.com")
@@ -476,7 +477,7 @@ class GutenbergKitSettingsBuilderTest {
             featureConfig = createFeatureConfig(isPluginsFeatureEnabled = true)
         )
 
-        assertThat(settings["postType"]).isEqualTo("page")
+        assertThat(settings["postType"]).isEqualTo(PostTypeDetails.page)
         assertThat(settings["authHeader"] as String).startsWith("Basic ")
         assertThat(settings["siteApiRoot"]).isEqualTo("https://jetpack-site.com/wp-json/")
         assertThat(settings["siteApiNamespace"] as Array<*>).isEmpty()
@@ -598,7 +599,7 @@ class GutenbergKitSettingsBuilderTest {
         assertThat(settings["postTitle"]).isNull()
         assertThat(settings["postContent"]).isNull()
         assertThat(settings["status"]).isNull()
-        assertThat(settings["postType"]).isEqualTo("post") // Still defaults to post
+        assertThat(settings["postType"]).isEqualTo(PostTypeDetails.post) // Still defaults to post
     }
 
     @Test
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6209f4954a96..1b7b42e87949 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -73,7 +73,7 @@ google-play-review = '2.0.2'
 google-services = '4.4.4'
 gravatar = '2.5.0'
 greenrobot-eventbus = '3.3.1'
-gutenberg-kit = 'v0.15.1'
+gutenberg-kit = 'v0.15.2'
 gutenberg-mobile = 'v1.121.0'
 indexos-media-for-mobile = '43a9026f0973a2f0a74fa813132f6a16f7499c3a'
 jackson-databind = '2.12.7.1'