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)
 
diff --git a/copilot-language.cabal b/copilot-language.cabal
--- a/copilot-language.cabal
+++ b/copilot-language.cabal
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                copilot-language
-version:             3.18.1
+version:             3.19
 synopsis:            A Haskell-embedded DSL for monitoring hard real-time
                      distributed systems.
 description:
@@ -42,9 +42,9 @@
                , data-reify            >= 0.6 && < 0.7
                , mtl                   >= 2.0 && < 3
 
-               , copilot-core          >= 3.18.1 && < 3.19
-               , copilot-interpreter   >= 3.18.1 && < 3.19
-               , copilot-theorem       >= 3.18.1 && < 3.19
+               , copilot-core          >= 3.19 && < 3.20
+               , copilot-interpreter   >= 3.19 && < 3.20
+               , copilot-theorem       >= 3.19 && < 3.20
 
   exposed-modules: Copilot.Language
                  , Copilot.Language.Operators.BitWise