diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index d3eecf4c2a..f0947e1966 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index ebd86529da..d460a676f2 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -45,4 +45,7 @@
 -keeppackagenames org.jsoup.nodes
 
 #JCharset
--keep class net.freeutils.charset.**
\ No newline at end of file
+-keep class net.freeutils.charset.**
+
+#OpenPGP
+-keep class org.openintents.openpgp.**