diff --git a/.gitmodules b/.gitmodules
index 6b1646b89..0aaaa3d46 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,3 +34,6 @@
 [submodule "extern/KeybaseLib"]
 	path = extern/KeybaseLib
 	url = https://github.com/timbray/KeybaseLib.git
+[submodule "OpenKeychain/src/test/resources/extern/OpenPGP-Haskell"]
+	path = OpenKeychain/src/test/resources/extern/OpenPGP-Haskell
+	url = git://github.com/singpolyma/OpenPGP-Haskell.git
diff --git a/OpenKeychain/src/test/resources/extern/OpenPGP-Haskell b/OpenKeychain/src/test/resources/extern/OpenPGP-Haskell
new file mode 160000
index 000000000..eba7e4fdc
--- /dev/null
+++ b/OpenKeychain/src/test/resources/extern/OpenPGP-Haskell
@@ -0,0 +1 @@
+Subproject commit eba7e4fdce3de6622b4ec3862b405b0acd016377