diff --git a/pom.xml b/pom.xml
index 6090935..72a5cda 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,6 +143,12 @@
                         </goals>
                     </execution>
                 </executions>
+                <configuration>
+                    <gpgArguments>
+                        <arg>--pinentry-mode</arg>
+                        <arg>loopback</arg>
+                    </gpgArguments>
+                </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
diff --git a/src/main/java/cc/carm/lib/githubreleases4j/GithubRelease.java b/src/main/java/cc/carm/lib/githubreleases4j/GithubRelease.java
index 4aaefc7..c0f0efc 100644
--- a/src/main/java/cc/carm/lib/githubreleases4j/GithubRelease.java
+++ b/src/main/java/cc/carm/lib/githubreleases4j/GithubRelease.java
@@ -8,7 +8,6 @@ import org.json.JSONObject;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
@@ -135,10 +134,8 @@ public class GithubRelease {
 	 *
 	 * @return The author user {@link GithubUser}
 	 */
-	public @Nullable GithubUser getAuthor() {
-		return Optional.ofNullable(getContents().getJSONObject("author"))
-				.map(GithubUser::of)
-				.orElse(null);
+	public @NotNull GithubUser getAuthor() {
+		return GithubUser.of(getContents().getJSONObject("author"));
 	}
 
 	/**