diff --git a/app/build.gradle b/app/build.gradle
index 3fa930ae16..8b58627bc3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -482,7 +482,7 @@ dependencies {
     def vcard_version = "0.11.3"
     def relinker_version = "1.4.5"
     def markwon_version = "4.6.2"
-    def bouncycastle_version = "1.71"
+    def bouncycastle_version = "1.76"
     def colorpicker_version = "0.0.15"
     def overscroll_version = "1.1.1"
     def appauth_version = "0.11.1"
diff --git a/app/src/extra/java/eu/faircode/email/Bimi.java b/app/src/extra/java/eu/faircode/email/Bimi.java
index 40f90309e7..2b0f29228d 100644
--- a/app/src/extra/java/eu/faircode/email/Bimi.java
+++ b/app/src/extra/java/eu/faircode/email/Bimi.java
@@ -255,9 +255,9 @@ public class Bimi {
                             for (int i = 0; i != logotypeExtn.size(); i++) {
                                 ASN1TaggedObject subjectLogo = ASN1TaggedObject.getInstance(logotypeExtn.getObjectAt(i));
                                 if (subjectLogo.getTagNo() == 2) {
-                                    ASN1TaggedObject logotypeInfo = (ASN1TaggedObject) subjectLogo.getObject();
+                                    ASN1TaggedObject logotypeInfo = (ASN1TaggedObject) subjectLogo.getBaseObject();
                                     if (logotypeInfo.getTagNo() == 0) {
-                                        ASN1Sequence logotypeData = (ASN1Sequence) logotypeInfo.getObject();
+                                        ASN1Sequence logotypeData = (ASN1Sequence) logotypeInfo.getBaseObject();
                                         ASN1Sequence logotypeImage = (ASN1Sequence) logotypeData.getObjectAt(0);
                                         ASN1Sequence logotypeDetails = (ASN1Sequence) logotypeImage.getObjectAt(0);