diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2024-01-07
+        * Version bump (3.18). (#487)
+
 2023-11-07
         * Version bump (3.17). (#466)
         * Compliance with style guide. (#457)
diff --git a/copilot-core.cabal b/copilot-core.cabal
--- a/copilot-core.cabal
+++ b/copilot-core.cabal
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                copilot-core
-version:             3.17
+version:             3.18
 synopsis:            An intermediate representation for Copilot.
 description:
   Intermediate representation for Copilot.