diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for ogma-language-jsonspec
 
+## [1.13.0] - 2026-03-21
+
+* Version bump (1.13.0) (#373).
+
 ## [1.12.0] - 2026-01-21
 
 * Version bump 1.12.0 (#336).
diff --git a/ogma-language-jsonspec.cabal b/ogma-language-jsonspec.cabal
--- a/ogma-language-jsonspec.cabal
+++ b/ogma-language-jsonspec.cabal
@@ -19,7 +19,7 @@
 build-type:          Simple
 
 name:                ogma-language-jsonspec
-version:             1.12.0
+version:             1.13.0
 homepage:            https://github.com/nasa/ogma
 bug-reports:         https://github.com/nasa/ogma/issues
 license:             Apache-2.0
@@ -64,7 +64,7 @@
     , mtl                    >= 2.2.2    && < 2.4
     , bytestring             >= 0.10.8.2 && < 0.13
 
-    , ogma-spec              >= 1.12.0 && < 1.13
+    , ogma-spec              >= 1.13.0 && < 1.14
 
   hs-source-dirs:
     src