diff --git a/extern/spongycastle b/extern/spongycastle
index eb2c35bd0..2c47e5fca 160000
--- a/extern/spongycastle
+++ b/extern/spongycastle
@@ -1 +1 @@
-Subproject commit eb2c35bd0602d05a65c10c86b9c9834ebd1a81c6
+Subproject commit 2c47e5fca2a820a4fd584066871bed993f1c3919