diff --git a/testjar/pom.xml b/testjar/pom.xml
index 8420430b..23a59020 100644
--- a/testjar/pom.xml
+++ b/testjar/pom.xml
@@ -90,6 +90,14 @@
                                     <goal>sign</goal>
                                 </goals>
                                 <!-- Easier to use real secrets in release profile -->
+                                <configuration>
+                                    <useAgent>true</useAgent>
+                                    <keyname>${gpg.keyname}</keyname>
+                                    <gpgArguments>
+                                        <arg>--pinentry-mode</arg>
+                                        <arg>loopback</arg>
+                                    </gpgArguments>
+                                </configuration>
                             </execution>
                         </executions>
                     </plugin>