diff --git a/pgpainless-cert-d/src/main/java/org/pgpainless/certificate_store/KeyMaterialReader.java b/pgpainless-cert-d/src/main/java/org/pgpainless/certificate_store/KeyMaterialReader.java
index 112bf18..8ba3b9d 100644
--- a/pgpainless-cert-d/src/main/java/org/pgpainless/certificate_store/KeyMaterialReader.java
+++ b/pgpainless-cert-d/src/main/java/org/pgpainless/certificate_store/KeyMaterialReader.java
@@ -23,8 +23,13 @@ public class KeyMaterialReader implements KeyMaterialReaderBackend {
         try {
             keyMaterial = PGPainless.readKeyRing().keyRing(data);
         } catch (IOException e) {
-            if (e.getMessage().contains("unknown object in stream") ||
-                    e.getMessage().contains("unexpected end of file in armored stream.")) {
+            String msg = e.getMessage();
+            if (msg == null) {
+                throw e;
+            }
+            if (msg.contains("unknown object in stream") ||
+                    msg.contains("unexpected end of file in armored stream.") ||
+                    msg.contains("invalid header encountered")) {
                 throw new BadDataException();
             } else {
                 throw e;
diff --git a/version.gradle b/version.gradle
index 024bca2..4425a52 100644
--- a/version.gradle
+++ b/version.gradle
@@ -12,7 +12,7 @@ allprojects {
         logbackVersion = '1.2.11'
         junitVersion = '5.8.2'
         mockitoVersion = '4.5.1'
-        pgpainlessVersion = '1.3.5'
+        pgpainlessVersion = '1.3.12'
         pgpCertDJavaVersion = '0.2.1'
         picocliVersion = '4.6.3'
     }