diff --git a/devops/Makefile b/devops/Makefile
index f6e460c7..a2184348 100644
--- a/devops/Makefile
+++ b/devops/Makefile
@@ -53,7 +53,7 @@ ifeq ($(SRC_DIR_NAME),sovtoken)
 # 	pypi: indy-plenum
 # 	apt: indy-plenum (stable component)
 
-FPM_P_DEPENDS := indy-node(=1.10.0~dev1070)
+FPM_P_DEPENDS := indy-node(=1.10.0~dev1076)
 FPM_ARGS := --no-python-dependencies $(FPM_ARGS)
 endif
 
diff --git a/sovtoken/setup.py b/sovtoken/setup.py
index 2b7f4a6c..2af00fab 100644
--- a/sovtoken/setup.py
+++ b/sovtoken/setup.py
@@ -38,7 +38,7 @@
              '*.css', '*.ico', '*.png', 'LICENSE', 'LEGAL', 'sovtoken']},
     include_package_data=True,
 
-    install_requires=['indy-node==1.10.0.dev1070'],
+    install_requires=['indy-node==1.10.0.dev1076'],
 
     setup_requires=['pytest-runner'],
     extras_require={
diff --git a/sovtoken/sovtoken/client_authnr.py b/sovtoken/sovtoken/client_authnr.py
index 9d551f2f..7f33469c 100644
--- a/sovtoken/sovtoken/client_authnr.py
+++ b/sovtoken/sovtoken/client_authnr.py
@@ -69,13 +69,12 @@ def getVerkey(self, ident, request):
         return super().getVerkey(ident, request)
 
     @staticmethod
-    def verify_signtures_on_payments(inputs, outputs, signatures, verifier,
-                                     *extra_fields_for_signing):
+    def verify_signtures_on_payments(inputs, outputs, signatures, verifier, *extra_fields_for_signing):
         correct_sigs_from = []
-        for inp, sig in zip(inputs,
-                            signatures):
+        incorrect_signatures = {}
+        for inp, sig in zip(inputs, signatures):
             try:
-                sig = base58.b58decode(sig)
+                sig_decoded = base58.b58decode(sig)
             except Exception as ex:
                 raise InvalidSignatureFormat from ex
 
@@ -89,11 +88,12 @@ def verify_signtures_on_payments(inputs, outputs, signatures, verifier,
                 continue
 
             vr = verifier(verkey)
-            if vr.verify(sig, ser):
+            if vr.verify(sig_decoded, ser):
                 correct_sigs_from.append(idr)
+            else:
+                incorrect_signatures[idr] = sig
 
         if len(correct_sigs_from) != len(inputs):
             # All inputs should have signatures present
-            raise InsufficientCorrectSignatures(len(correct_sigs_from),
-                                                len(inputs))
+            raise InsufficientCorrectSignatures(len(inputs), len(correct_sigs_from), incorrect_signatures)
         return correct_sigs_from
diff --git a/sovtokenfees/sovtokenfees/test/test_client_authnr.py b/sovtokenfees/sovtokenfees/test/test_client_authnr.py
index 495c2140..17c352e5 100644
--- a/sovtokenfees/sovtokenfees/test/test_client_authnr.py
+++ b/sovtokenfees/sovtokenfees/test/test_client_authnr.py
@@ -71,7 +71,8 @@ def test_authenticate_success(node):
     }
     with pytest.raises(InsufficientCorrectSignatures) as ex:
         fees_authenticator.authenticate(req_data)
-    assert ex.value.args == (0, 4)
+
+    assert ex.value.args == (4, 0, req_data['signatures'])
 
 
 # ------------------------------------------------------------------------------------
@@ -97,7 +98,7 @@ def test_authenticate_success_one_signature(node):
 
     with pytest.raises(InsufficientCorrectSignatures) as ex:
         fees_authenticator.authenticate(req_data)
-    assert ex.value.args == (0, 1)
+    assert ex.value.args == (1, 0, req_data['signatures'])
 
 
 # ------------------------------------------------------------------------------------