diff --git a/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF b/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
index 2d306aa1e..c766fe15c 100644
--- a/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.gpg.bc/META-INF/MANIFEST.MF
@@ -8,27 +8,27 @@ Bundle-Vendor: %Bundle-Vendor
 Bundle-Localization: plugin
 Bundle-Version: 5.13.0.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Import-Package: org.bouncycastle.asn1;version="[1.65.0,2.0.0)",
- org.bouncycastle.asn1.cryptlib;version="[1.65.0,2.0.0)",
- org.bouncycastle.asn1.x9;version="[1.65.0,2.0.0)",
- org.bouncycastle.bcpg;version="[1.65.0,2.0.0)",
- org.bouncycastle.bcpg.sig;version="[1.65.0,2.0.0)",
- org.bouncycastle.crypto.ec;version="[1.65.0,2.0.0)",
- org.bouncycastle.gpg;version="[1.65.0,2.0.0)",
- org.bouncycastle.gpg.keybox;version="[1.65.0,2.0.0)",
- org.bouncycastle.gpg.keybox.jcajce;version="[1.65.0,2.0.0)",
- org.bouncycastle.jcajce.interfaces;version="[1.65.0,2.0.0)",
- org.bouncycastle.jcajce.util;version="[1.65.0,2.0.0)",
- org.bouncycastle.jce.provider;version="[1.65.0,2.0.0)",
- org.bouncycastle.math.ec;version="[1.65.0,2.0.0)",
- org.bouncycastle.math.field;version="[1.65.0,2.0.0)",
- org.bouncycastle.openpgp;version="[1.65.0,2.0.0)",
- org.bouncycastle.openpgp.jcajce;version="[1.65.0,2.0.0)",
- org.bouncycastle.openpgp.operator;version="[1.65.0,2.0.0)",
- org.bouncycastle.openpgp.operator.jcajce;version="[1.65.0,2.0.0)",
- org.bouncycastle.util;version="[1.65.0,2.0.0)",
- org.bouncycastle.util.encoders;version="[1.65.0,2.0.0)",
- org.bouncycastle.util.io;version="[1.65.0,2.0.0)",
+Import-Package: org.bouncycastle.asn1;version="[1.69.0,2.0.0)",
+ org.bouncycastle.asn1.cryptlib;version="[1.69.0,2.0.0)",
+ org.bouncycastle.asn1.x9;version="[1.69.0,2.0.0)",
+ org.bouncycastle.bcpg;version="[1.69.0,2.0.0)",
+ org.bouncycastle.bcpg.sig;version="[1.69.0,2.0.0)",
+ org.bouncycastle.crypto.ec;version="[1.69.0,2.0.0)",
+ org.bouncycastle.gpg;version="[1.69.0,2.0.0)",
+ org.bouncycastle.gpg.keybox;version="[1.69.0,2.0.0)",
+ org.bouncycastle.gpg.keybox.jcajce;version="[1.69.0,2.0.0)",
+ org.bouncycastle.jcajce.interfaces;version="[1.69.0,2.0.0)",
+ org.bouncycastle.jcajce.util;version="[1.69.0,2.0.0)",
+ org.bouncycastle.jce.provider;version="[1.69.0,2.0.0)",
+ org.bouncycastle.math.ec;version="[1.69.0,2.0.0)",
+ org.bouncycastle.math.field;version="[1.69.0,2.0.0)",
+ org.bouncycastle.openpgp;version="[1.69.0,2.0.0)",
+ org.bouncycastle.openpgp.jcajce;version="[1.69.0,2.0.0)",
+ org.bouncycastle.openpgp.operator;version="[1.69.0,2.0.0)",
+ org.bouncycastle.openpgp.operator.jcajce;version="[1.69.0,2.0.0)",
+ org.bouncycastle.util;version="[1.69.0,2.0.0)",
+ org.bouncycastle.util.encoders;version="[1.69.0,2.0.0)",
+ org.bouncycastle.util.io;version="[1.69.0,2.0.0)",
  org.eclipse.jgit.annotations;version="[5.13.0,5.14.0)",
  org.eclipse.jgit.api.errors;version="[5.13.0,5.14.0)",
  org.slf4j;version="[1.7.0,2.0.0)"
diff --git a/org.eclipse.jgit.gpg.bc/src/org/eclipse/jgit/gpg/bc/internal/BouncyCastleGpgSigner.java b/org.eclipse.jgit.gpg.bc/src/org/eclipse/jgit/gpg/bc/internal/BouncyCastleGpgSigner.java
index 211bd7bd2..763b7f752 100644
--- a/org.eclipse.jgit.gpg.bc/src/org/eclipse/jgit/gpg/bc/internal/BouncyCastleGpgSigner.java
+++ b/org.eclipse.jgit.gpg.bc/src/org/eclipse/jgit/gpg/bc/internal/BouncyCastleGpgSigner.java
@@ -195,7 +195,7 @@ public void signObject(@NonNull ObjectBuilder object,
 				}
 			}
 			if (userId != null) {
-				subpackets.setSignerUserID(false, userId);
+				subpackets.addSignerUserID(false, userId);
 			}
 			signatureGenerator
 					.setHashedSubpackets(subpackets.generate());