diff --git a/build.gradle b/build.gradle
index e71efcae..777e9493 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ ext.modversion = "${project.version_major}.${project.version_minor}.${project.ve
 group = project.group
 version = "${project.version_minecraft}-${modversion}"
 compileJava.options.encoding = 'UTF-8'
-compileApiJava.options.encoding = 'UTF-8'
+compileApiJava.options.encoding = 'UTF-8'
 
 idea {
     module {
@@ -57,17 +57,17 @@ minecraft {
     replace '${forgeversion}', project.version_forge
 }
 
-sourceSets {
-    api {
-        java {
-            srcDir "BnnWidget/src/api/java"
-        }
-        resources {
-            srcDir "BnnWidget/src/api/resources"
-        }
-    }
-}
-
+sourceSets {
+    api {
+        java {
+            srcDir "BnnWidget/src/api/java"
+        }
+        resources {
+            srcDir "BnnWidget/src/api/resources"
+        }
+    }
+}
+
 processResources {
     // this will ensure that this task is redone when the versions change.
     inputs.property 'version', project.version
@@ -114,14 +114,14 @@ jar {
 shadowJar {
     from sourceSets.main.output
     from sourceSets.api.output
-	relocate 'org.apache.http.entity.mime', 'com.kamesuta.mc.signpic.lib.org.apache.http.entity.mime'
-	relocate 'org.apache.http.entity.mime.content', 'com.kamesuta.mc.signpic.lib.org.apache.http.entity.mime.content'
+    relocate 'org.apache.http.entity.mime', 'com.kamesuta.mc.signpic.lib.org.apache.http.entity.mime'
+    relocate 'org.apache.http.entity.mime.content', 'com.kamesuta.mc.signpic.lib.org.apache.http.entity.mime.content'
     classifier = project.hasProperty('extra_classifier') ? project.extra_classifier : 'universal'
     manifest commonManifest
 }
 
 reobf {
-	shadowJar { mappingType = "SEARGE" }
+    shadowJar { mappingType = "SEARGE" }
 }
 tasks.reobfShadowJar.mustRunAfter shadowJar
 
@@ -212,6 +212,6 @@ if (project.hasProperty('api_key_curseforge') && project.hasProperty('extra_curs
         changelog = ''
 
         additionalArtifact devJar, sourceJar, apiJar
-        relatedProject 'bnnwidget'
+        relatedProject 'bnnwidget'
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/com/kamesuta/mc/signpic/render/CustomItemSignRenderer.java b/src/main/java/com/kamesuta/mc/signpic/render/CustomItemSignRenderer.java
index 65938b4a..facd24d6 100644
--- a/src/main/java/com/kamesuta/mc/signpic/render/CustomItemSignRenderer.java
+++ b/src/main/java/com/kamesuta/mc/signpic/render/CustomItemSignRenderer.java
@@ -23,8 +23,6 @@
 import com.kamesuta.mc.signpic.entry.content.Content;
 
 import net.minecraft.client.renderer.block.model.BakedQuad;
-import net.minecraft.client.renderer.block.model.ItemCameraTransforms;
-import net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType;
 import net.minecraft.client.renderer.texture.TextureAtlasSprite;
 import net.minecraft.client.renderer.vertex.VertexFormat;
 import net.minecraft.client.resources.model.IBakedModel;
@@ -58,7 +56,8 @@ public CustomItemSignRenderer(final @Nonnull IBakedModel model) {
 	}
 
 	@Override
-	public @Nullable Pair<? extends IFlexibleBakedModel, Matrix4f> handlePerspective(final @Nullable TransformType cameraTransformType) {
+	@SuppressWarnings("deprecation")
+	public @Nullable Pair<? extends IFlexibleBakedModel, Matrix4f> handlePerspective(final @Nullable net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType cameraTransformType) {
 		final ItemStack itemStack = this.itemStack;
 		if (itemStack!=null&&cameraTransformType!=null) {
 			OpenGL.glPushMatrix();
@@ -78,7 +77,8 @@ public CustomItemSignRenderer(final @Nonnull IBakedModel model) {
 		return Pair.of(this, null);
 	}
 
-	public void renderItem(final @Nonnull TransformType type, final @Nullable ItemStack item) {
+	@SuppressWarnings("deprecation")
+	public void renderItem(final @Nonnull net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType type, final @Nullable ItemStack item) {
 		OpenGL.glPushMatrix();
 		OpenGL.glPushAttrib();
 		OpenGL.glDisable(GL_CULL_FACE);
@@ -88,7 +88,7 @@ public void renderItem(final @Nonnull TransformType type, final @Nullable ItemSt
 		// Size
 		final SizeData size01 = content!=null ? content.image.getSize() : SizeData.DefaultSize;
 		final SizeData size = attr.sizes.getMovie().get().aspectSize(size01);
-		if (type==TransformType.GUI) {
+		if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.GUI) {
 			OpenGL.glScalef(1f, -1f, 1f);
 			final float slot = 1f;
 			final SizeData size2 = ImageSizes.INNER.defineSize(size, slot, slot);
@@ -99,17 +99,17 @@ public void renderItem(final @Nonnull TransformType type, final @Nullable ItemSt
 			entry.gui.drawScreen(0, 0, 0f, 1f, size2.getWidth()/slot, size2.getHeight()/slot);
 		} else {
 			OpenGL.glScalef(1f, -1f, 1f);
-			if (type==TransformType.GROUND)
+			if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.GROUND)
 				OpenGL.glTranslatef(-size.getWidth()/2f, .25f, 0f);
-			else if (type==TransformType.FIXED) {
+			else if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.FIXED) {
 				final float f = 0.0078125F; // vanilla map offset
 				OpenGL.glTranslatef(-size.getWidth()/2f, .5f, f);
-			} else if (type==TransformType.FIRST_PERSON)
+			} else if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.FIRST_PERSON)
 				OpenGL.glTranslatef(-.25f, .25f, 0f);
-			else if (type==TransformType.THIRD_PERSON) {
+			else if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.THIRD_PERSON) {
 				OpenGL.glTranslatef(.25f, .25f, 0f);
 				OpenGL.glTranslatef(-size.getWidth(), 0f, 0f);
-			} else if (type==TransformType.HEAD)
+			} else if (type==net.minecraft.client.renderer.block.model.ItemCameraTransforms.TransformType.HEAD)
 				;// Minecraft 1.8.x doesn't support Item Head.
 			OpenGL.glTranslatef(0f, -size.getHeight(), 0f);
 			final OffsetData offset = attr.offsets.getMovie().get();
@@ -147,8 +147,9 @@ public boolean isBuiltInRenderer() {
 	}
 
 	@Override
-	public @Nullable ItemCameraTransforms getItemCameraTransforms() {
-		return ItemCameraTransforms.DEFAULT;
+	@Deprecated
+	public @Nullable net.minecraft.client.renderer.block.model.ItemCameraTransforms getItemCameraTransforms() {
+		return net.minecraft.client.renderer.block.model.ItemCameraTransforms.DEFAULT;
 	}
 
 	@Override