diff --git a/.gitignore b/.gitignore
index 1b7d69b..d4dc6df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,4 @@ Gemfile.lock
 pkg/*
 coverage
 *~
-
+.rvmrc
diff --git a/lib/bitcoin-client/client.rb b/lib/bitcoin-client/client.rb
index 901caaa..0c8c834 100644
--- a/lib/bitcoin-client/client.rb
+++ b/lib/bitcoin-client/client.rb
@@ -183,6 +183,11 @@ def importprivkey(bitcoinprivkey, label = nil, rescan = true)
     @api.request 'importprivkey', bitcoinprivkey, label, rescan
   end
 
+  # Reveals the private key corresponding to an address.
+  def dumpprivkey(bitcoinaddress)
+    @api.request 'dumpprivkey', bitcoinaddress
+  end
+
   # Returns Object that has account names as keys, account balances as values.
   def listaccounts(minconf = 1)
     @api.request 'listaccounts', minconf