diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2025-11-07
+        * Version bump (4.6). (#679)
+
 2025-09-07
         * Version bump (4.5.1). (#666)
         * Remove unused function Copilot.Theorem.Misc.SExpr.parseSExpr. (#661)
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                   : 4.5.1
+version                   : 4.6
 license                   : BSD3
 license-file              : LICENSE
 maintainer                : Ivan Perez <ivan.perezdominguez@nasa.gov>
@@ -62,8 +62,8 @@
                           , xml                   >= 1.3 && < 1.4
                           , what4                 >= 1.3 && < 1.8
 
-                          , copilot-core          >= 4.5.1 && < 4.6
-                          , copilot-prettyprinter >= 4.5.1 && < 4.6
+                          , copilot-core          >= 4.6 && < 4.7
+                          , copilot-prettyprinter >= 4.6 && < 4.7
 
   exposed-modules         : Copilot.Theorem
                           , Copilot.Theorem.Prove