diff --git a/extensions/jgit/deployment/src/main/java/io/quarkus/jgit/runtime/deployment/JGitProcessor.java b/extensions/jgit/deployment/src/main/java/io/quarkus/jgit/runtime/deployment/JGitProcessor.java
index 5bca38b966fb6..4211b7a9c38c3 100644
--- a/extensions/jgit/deployment/src/main/java/io/quarkus/jgit/runtime/deployment/JGitProcessor.java
+++ b/extensions/jgit/deployment/src/main/java/io/quarkus/jgit/runtime/deployment/JGitProcessor.java
@@ -91,6 +91,7 @@ ReflectiveClassBuildItem reflection() {
     List<RuntimeInitializedClassBuildItem> runtimeInitializedClasses() {
         return Arrays.asList(
                 new RuntimeInitializedClassBuildItem("org.eclipse.jgit.transport.HttpAuthMethod$Digest"),
+                new RuntimeInitializedClassBuildItem("org.eclipse.jgit.lib.GpgSigner"),
                 new RuntimeInitializedClassBuildItem(PortWatcherRunTime.class.getName()));
     }