diff --git a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerComponents.java b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerComponents.java
index 5d2298130..ed4de2e2a 100644
--- a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerComponents.java
+++ b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerComponents.java
@@ -1,5 +1,6 @@
 package com.mapbox.api.directions.v5.models;
 
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
 import com.google.auto.value.AutoValue;
@@ -41,6 +42,7 @@ public static Builder builder() {
    * @return a single snippet of the full text instruction
    * @since 3.0.0
    */
+  @NonNull
   public abstract String text();
 
   /**
@@ -61,6 +63,7 @@ public static Builder builder() {
    * @return String type from above list
    * @since 3.0.0
    */
+  @NonNull
   public abstract String type();
 
   /**
@@ -205,7 +208,7 @@ public abstract static class Builder {
      * @return this builder for chaining options together
      * @since 3.0.0
      */
-    public abstract Builder text(String text);
+    public abstract Builder text(@NonNull String text);
 
     /**
      * String giving you more context about the component which may help in visual markup/display
@@ -227,7 +230,7 @@ public abstract static class Builder {
      * @return this builder for chaining options together
      * @since 3.0.0
      */
-    public abstract Builder type(String type);
+    public abstract Builder type(@NonNull String type);
 
 
     /**
diff --git a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerInstructions.java b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerInstructions.java
index 81c4addd2..07ad50b5d 100644
--- a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerInstructions.java
+++ b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerInstructions.java
@@ -1,5 +1,6 @@
 package com.mapbox.api.directions.v5.models;
 
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import com.google.auto.value.AutoValue;
 import com.google.gson.Gson;
@@ -45,7 +46,7 @@ public static Builder builder() {
    *   information to the user
    * @since 3.0.0
    */
-  @Nullable
+  @NonNull
   public abstract BannerText primary();
 
   /**
@@ -132,7 +133,7 @@ public abstract static class Builder {
      * @return this builder for chaining options together
      * @since 3.0.0
      */
-    public abstract Builder primary(@Nullable BannerText primary);
+    public abstract Builder primary(@NonNull BannerText primary);
 
     /**
      * Ancillary visual information about the {@link LegStep}.
diff --git a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerText.java b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerText.java
index 47db656a5..44ae0567f 100644
--- a/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerText.java
+++ b/services-directions/src/main/java/com/mapbox/api/directions/v5/models/BannerText.java
@@ -1,5 +1,6 @@
 package com.mapbox.api.directions.v5.models;
 
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
 import com.google.auto.value.AutoValue;
@@ -39,7 +40,7 @@ public static Builder builder() {
    * @return plain text with all the {@link BannerComponents} text items combined
    * @since 3.0.0
    */
-  @Nullable
+  @NonNull
   public abstract String text();
 
   /**
@@ -147,7 +148,7 @@ public abstract static class Builder {
      * @since 3.0.0
      */
     @Nullable
-    public abstract Builder text(String text);
+    public abstract Builder text(@NonNull String text);
 
     /**
      * A part or element of the {@link BannerInstructions}.
diff --git a/services-directions/src/test/java/com/mapbox/api/directions/v5/models/BannerInstructionsTest.java b/services-directions/src/test/java/com/mapbox/api/directions/v5/models/BannerInstructionsTest.java
index a1e2ac532..f257c1663 100644
--- a/services-directions/src/test/java/com/mapbox/api/directions/v5/models/BannerInstructionsTest.java
+++ b/services-directions/src/test/java/com/mapbox/api/directions/v5/models/BannerInstructionsTest.java
@@ -29,8 +29,8 @@ public void sanity() throws Exception {
   public void testSerializable() throws Exception {
     BannerInstructions bannerInstructions = BannerInstructions.builder()
       .distanceAlongGeometry(100d)
-      .primary(BannerText.builder().build())
-      .secondary(BannerText.builder().build())
+      .primary(BannerText.builder().text("Banner primary sample text").build())
+      .secondary(BannerText.builder().text("Banner secondary sample text").build())
       .build();
     byte[] serialized = TestUtils.serialize(bannerInstructions);
     assertEquals(bannerInstructions, deserialize(serialized, BannerInstructions.class));