diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -43,3 +43,4 @@
 * Class-based wrappers showing Structure-Model-Chain-Residue-Atom interface
 with possible wrapping of Repa/Accelerate arrays for fast computation.
 
+Please ask me any questions on [Gitter](https://gitter.im/mgajda).
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,4 +1,8 @@
 -*-Changelog-*-
+1.3.0.0  Jul 2018
+        * Moved from AC-Vector to Linear.
+	* Added stack configuration.
+
 1.2.0.10  Nov 2017
 	* Relax deps for GHC 8.2
 
diff --git a/hPDB.cabal b/hPDB.cabal
--- a/hPDB.cabal
+++ b/hPDB.cabal
@@ -1,5 +1,5 @@
 name:                hPDB
-version:             1.2.0.10
+version:             1.3.0.0
 synopsis:            Protein Databank file format library
 homepage:            https://github.com/BioHaskell/hPDB
 stability:           stable
@@ -32,7 +32,7 @@
 
 build-type:          Simple
 cabal-version:       >=1.8
-tested-with:         GHC==7.8.4,GHC==7.10.3,GHC==7.6.3,GHC==8.0.1,GHC==8.2.2
+tested-with:         GHC==7.10.3,GHC==8.0.1,GHC==8.2.2
 extra-source-files:  README.md INSTALL AUTHORS changelog
 
 source-repository head
@@ -57,7 +57,7 @@
 
 Library
   ghc-options:      -fspec-constr-count=4 -O3 
-  build-depends:    base>=4.0 && <4.11,
+  build-depends:    base>=4.0 && <4.12,
                     ghc-prim,
                     directory,
                     mtl,