diff --git a/spine-libgdx/spine-libgdx/pom.xml b/spine-libgdx/spine-libgdx/pom.xml
index d52e78852..e85ea2bad 100644
--- a/spine-libgdx/spine-libgdx/pom.xml
+++ b/spine-libgdx/spine-libgdx/pom.xml
@@ -39,7 +39,7 @@
 		<connection>scm:git:https://github.com/EsotericSoftware/spine-runtimes.git</connection>
 		<developerConnection>scm:git:https://github.com/EsotericSoftware/spine-runtimes.git</developerConnection>
 		<url>https://github.com/EsotericSoftware/spine-runtimes/</url>
-	  <tag>spine-libgdx-3.8.55.1</tag>
+	  <tag>spine-libgdx-3.8.99.1</tag>
   </scm>
 
 	<repositories>
@@ -110,6 +110,21 @@
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-gpg-plugin</artifactId>
 				<version>3.0.1</version>
+				<executions>
+					<execution>
+						<id>sign-artifacts</id>
+						<phase>verify</phase>
+						<goals>
+							<goal>sign</goal>
+						</goals>
+						<configuration>
+							<gpgArguments>
+								<arg>--pinentry-mode</arg>
+								<arg>loopback</arg>
+							</gpgArguments>
+						</configuration>
+					</execution>
+				</executions>
 			</plugin>
 		</plugins>
 	</build>