diff --git a/pkgs/tools/security/monkeysphere/default.nix b/pkgs/tools/security/monkeysphere/default.nix
index 114ba57e170..af507dbf993 100644
--- a/pkgs/tools/security/monkeysphere/default.nix
+++ b/pkgs/tools/security/monkeysphere/default.nix
@@ -14,14 +14,14 @@ let
   });
 in stdenv.mkDerivation rec {
   name = "monkeysphere-${version}";
-  version = "0.42";
+  version = "0.43";
 
   # The patched OpenSSH binary MUST NOT be used (except in the check phase):
   disallowedRequisites = [ opensshUnsafe ];
 
   src = fetchurl {
     url = "http://archive.monkeysphere.info/debian/pool/monkeysphere/m/monkeysphere/monkeysphere_${version}.orig.tar.gz";
-    sha256 = "1haqgjxm8v2xnhc652lx79p2cqggb9gxgaf19w9l9akar2qmdjf1";
+    sha256 = "18i7qpvp5qb7mmd0z5rqai550rya9l3nbsq2hamwkl3smqsjdqc0";
   };
 
   patches = [ ./monkeysphere.patch ];
diff --git a/pkgs/tools/security/monkeysphere/monkeysphere.patch b/pkgs/tools/security/monkeysphere/monkeysphere.patch
index fdf4b9335b1..0a05635d6a8 100644
--- a/pkgs/tools/security/monkeysphere/monkeysphere.patch
+++ b/pkgs/tools/security/monkeysphere/monkeysphere.patch
@@ -28,5 +28,17 @@ diff --git a/src/share/keytrans b/src/share/keytrans
  
  # keytrans: this is an RSA key translation utility; it is capable of
  # transforming RSA keys (both public keys and secret keys) between
+diff --git a/tests/basic b/tests/basic
+--- a/tests/basic
++++ b/tests/basic
+@@ -343,7 +340,7 @@ if [ "$MONKEYSPHERE_TEST_USE_ED25519" = true ]; then
+     echo "### generating ed25519 key for testuser..."
+     # from the imported secret key
+     USER_FPR=8A4B353B4CBA6F30625498BAE00B5EEEBA79B482
+-    gpg --quick-add-key "$USER_FPR" ed25519 auth 2d
++    gpg --no-tty --quick-add-key "$USER_FPR" ed25519 auth 2d
+ else
+     echo "### generating standard monkeysphere key for testuser..."
+     monkeysphere gen-subkey
 -- 
 2.16.3