diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+2021-11-07
+        * Version bump (3.6). (#264)
+        * Fix outdated/broken links. (#252)
+
 2021-08-19
         * Version bump (3.5). (#247)
         * Update travis domain in README. (#222)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.com/Copilot-Language/copilot.svg?branch=master)](https://travis-ci.com/Copilot-Language/copilot)
+[![Build Status](https://travis-ci.com/Copilot-Language/copilot.svg?branch=master)](https://app.travis-ci.com/github/Copilot-Language/copilot)
 
 # Copilot Theorem
 
diff --git a/copilot-theorem.cabal b/copilot-theorem.cabal
--- a/copilot-theorem.cabal
+++ b/copilot-theorem.cabal
@@ -14,7 +14,7 @@
   <https://copilot-language.github.io>.
 
 
-version                   : 3.5
+version                   : 3.6
 license                   : BSD3
 license-file              : LICENSE
 maintainer                : Ivan Perez <ivan.perezdominguez@nasa.gov>
@@ -72,7 +72,7 @@
                           , xml           >= 1.3 && < 1.4
                           , what4         >= 1.1 && < 1.2
 
-                          , copilot-core  >= 3.5 && < 3.6
+                          , copilot-core  >= 3.6 && < 3.7
 
   exposed-modules         : Copilot.Theorem
                           , Copilot.Theorem.Prove