diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2024-03-07
+        * Version bump (3.19). (#504)
+
 2024-01-07
         * Version bump (3.18.1). (#493)
         * Adjust to work with GHC 9.6. (#491)
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                   : 3.18.1
+version                   : 3.19
 license                   : BSD3
 license-file              : LICENSE
 maintainer                : Ivan Perez <ivan.perezdominguez@nasa.gov>
@@ -63,8 +63,8 @@
                           , xml                   >= 1.3 && < 1.4
                           , what4                 >= 1.3 && < 1.6
 
-                          , copilot-core          >= 3.18.1 && < 3.19
-                          , copilot-prettyprinter >= 3.18.1 && < 3.19
+                          , copilot-core          >= 3.19 && < 3.20
+                          , copilot-prettyprinter >= 3.19 && < 3.20
 
   exposed-modules         : Copilot.Theorem
                           , Copilot.Theorem.Prove