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)
         * Update README to reflect support for GHC 9.6. (#491)
diff --git a/copilot.cabal b/copilot.cabal
--- a/copilot.cabal
+++ b/copilot.cabal
@@ -1,5 +1,5 @@
 name:                copilot
-version:             3.18.1
+version:             3.19
 cabal-version:       >= 1.10
 license:             BSD3
 license-file:        LICENSE
@@ -52,12 +52,12 @@
                      , directory             >= 1.3  && < 1.4
                      , filepath              >= 1.4  && < 1.5
 
-                     , copilot-core          >= 3.18.1 && < 3.19
-                     , copilot-theorem       >= 3.18.1 && < 3.19
-                     , copilot-language      >= 3.18.1 && < 3.19
-                     , copilot-libraries     >= 3.18.1 && < 3.19
-                     , copilot-c99           >= 3.18.1 && < 3.19
-                     , copilot-prettyprinter >= 3.18.1 && < 3.19
+                     , copilot-core          >= 3.19 && < 3.20
+                     , copilot-theorem       >= 3.19 && < 3.20
+                     , copilot-language      >= 3.19 && < 3.20
+                     , copilot-libraries     >= 3.19 && < 3.20
+                     , copilot-c99           >= 3.19 && < 3.20
+                     , copilot-prettyprinter >= 3.19 && < 3.20
 
 
     exposed-modules: Language.Copilot, Language.Copilot.Main