diff --git a/ChangeLog b/ChangeLog
index 1cd1983..e12d8bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
-2012-06-13 Verion 0.5.2
+UNRELEASED Version 0.5.3
+    - Make key parsing error messages more specific to help troubleshooting
+      (Based on user feedback)
+
+2012-06-13 Version 0.5.2
     - Change canonicalization defaults to work around issues with different
       verification implementations <https://launchpad.net/bugs/939128>
     - Fully fold DKIM-Signature on sign, and ignore FWS in b= value on verify
diff --git a/PKG-INFO b/PKG-INFO
index 07bd5f4..158ecec 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.0
 Name: dkimpy
-Version: 0.5.2
+Version: 0.5.3
 Summary: DKIM (DomainKeys Identified Mail)
 Home-page: https://launchapd.net/dkimpy
 Author: Scott Kitterman
diff --git a/README b/README
index 6c9106b..5ac4adb 100644
--- a/README
+++ b/README
@@ -11,7 +11,7 @@ signing and verification.
 
 VERSION
 
-This is dkimpy 0.5.2.
+This is dkimpy 0.5.3.
 
 REQUIREMENTS
 
diff --git a/dkim/crypto.py b/dkim/crypto.py
index 532eabf..7ab43f3 100644
--- a/dkim/crypto.py
+++ b/dkim/crypto.py
@@ -112,7 +112,7 @@ def parse_public_key(data):
         x = asn1_parse(ASN1_Object, data)
         pkd = asn1_parse(ASN1_RSAPublicKey, x[0][1][1:])
     except ASN1FormatError as e:
-        raise UnparsableKeyError(str(e))
+        raise UnparsableKeyError('Unparsable public key: ' + str(e))
     pk = {
         'modulus': pkd[0][0],
         'publicExponent': pkd[0][1],
@@ -129,7 +129,7 @@ def parse_private_key(data):
     try:
         pka = asn1_parse(ASN1_RSAPrivateKey, data)
     except ASN1FormatError as e:
-        raise UnparsableKeyError(str(e))
+        raise UnparsableKeyError('Unparsable private key: ' + str(e))
     pk = {
         'version': pka[0][0],
         'modulus': pka[0][1],
diff --git a/setup.py b/setup.py
index 297308b..d92bf57 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 from distutils.core import setup
 import os
 
-version = "0.5.2"
+version = "0.5.3"
 
 setup(
     name = "dkimpy",