diff --git a/BlastHTTP.cabal b/BlastHTTP.cabal
--- a/BlastHTTP.cabal
+++ b/BlastHTTP.cabal
@@ -7,7 +7,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.2.0
+version:             1.2.1
 synopsis:            Libary to interface with the NCBI blast REST interface
 description:         Searches for a provided nucleotide or protein sequence with the NCBI Blast REST service and returns a blast result in xml format as BlastResult datatype. 
                      .
@@ -35,9 +35,9 @@
   location: https://github.com/eggzilla/BlastHTTP
 
 source-repository this
-  type:     darcs
-  location: https://github.com/eggzilla/BlastHTTP/tree/1.0.1
-  tag:      1.0.1
+  type:     git
+  location: https://github.com/eggzilla/BlastHTTP/tree/1.2.1
+  tag:      1.2.1
 
 library
   -- Modules exported by the library.
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,9 +1,14 @@
-BlastHTTP  [![Build Status](https://travis-ci.org/eggzilla/BlastHTTP.svg?branch=master)](https://travis-ci.org/eggzilla/BlastHTTP)
+BlastHTTP  [![Hackage](https://img.shields.io/hackage/v/BlastHTTP.svg)](https://hackage.haskell.org/package/BlastHTTP) [![Build Status](https://travis-ci.org/eggzilla/BlastHTTP.svg?branch=master)](https://travis-ci.org/eggzilla/BlastHTTP)
 =========
 
 Haskell cabal libary for submission and result retrieval from the NCBI Blast REST webservice
 
 Changes:
+
+Version 1.2.0:
+
+Added experimental support for the european bioinformatics institute blast REST interface
+Added support for multiple sequences in one request
 
 Version 1.0.0:
 
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,5 +1,7 @@
 -*-change-log-*-
-1.0.2 Florian Eggenhofer <florian.eggenhofer@univie.ac.at> 20. April 2015
+1.2.1 Florian Eggenhofer <egg@informatik.uni-freiburg.de> 12. November 2016
+	* Changed used NCBI URL to HTTPS
+1.2.0 Florian Eggenhofer <florian.eggenhofer@univie.ac.at> 20. April 2015
 	* Added experimental support for the european bioinformatics institute blast REST interface
 	* Added support for multiple sequences in one request
 1.0.1 Florian Eggenhofer <florian.eggenhofer@univie.ac.at> 09. October 2014
diff --git a/src/Bio/BlastHTTP.hs b/src/Bio/BlastHTTP.hs
--- a/src/Bio/BlastHTTP.hs
+++ b/src/Bio/BlastHTTP.hs
@@ -97,8 +97,8 @@
 -- | Send query with or without optional arguments and return response HTML
 sendQueryNCBI :: String -> String -> String -> Maybe String -> IO L8.ByteString
 sendQueryNCBI program' database' querySequences' optionalArguments'
-  | isJust optionalArguments' = simpleHttp ("http://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Put&PROGRAM=" ++ program' ++ "&DATABASE=" ++ database' ++ fromJust optionalArguments' ++ "&QUERY=" ++ querySequences')
-  | otherwise = simpleHttp ("http://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Put&PROGRAM=" ++ program' ++ "&DATABASE=" ++ database' ++ "&QUERY=" ++ querySequences')
+  | isJust optionalArguments' = simpleHttp ("https://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Put&PROGRAM=" ++ program' ++ "&DATABASE=" ++ database' ++ fromJust optionalArguments' ++ "&QUERY=" ++ querySequences')
+  | otherwise = simpleHttp ("https://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Put&PROGRAM=" ++ program' ++ "&DATABASE=" ++ database' ++ "&QUERY=" ++ querySequences')
          
 -- | Retrieve session status with RID
 retrieveSessionStatus :: String -> String -> IO String 
@@ -110,7 +110,7 @@
        putStrLn "EBI statusXMLString"
        return statusXMLString
      else do
-       statusXml <- withSocketsDo $ simpleHttp ("http://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Get&FORMAT_OBJECT=SearchInfo&RID=" ++ rid)
+       statusXml <- withSocketsDo $ simpleHttp ("https://www.ncbi.nlm.nih.gov/blast/Blast.cgi?CMD=Get&FORMAT_OBJECT=SearchInfo&RID=" ++ rid)
        let statusXMLString = L8.unpack statusXml
        return statusXMLString
   
@@ -123,7 +123,7 @@
        resultXML <- parseXML statusXml
        return (Right resultXML)
      else do
-       statusXml <- withSocketsDo $ simpleHttp ("http://www.ncbi.nlm.nih.gov/blast/Blast.cgi?RESULTS_FILE=on&RID=" ++ rid ++ "&FORMAT_TYPE=XML&FORMAT_OBJECT=Alignment&CMD=Get")
+       statusXml <- withSocketsDo $ simpleHttp ("https://www.ncbi.nlm.nih.gov/blast/Blast.cgi?RESULTS_FILE=on&RID=" ++ rid ++ "&FORMAT_TYPE=XML&FORMAT_OBJECT=Alignment&CMD=Get")
        resultXML <- parseXML statusXml
        return (Right resultXML)