diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6789c6ee..a6a663c8 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ project(cmark-gfm)
 set(PROJECT_VERSION_MAJOR 0)
 set(PROJECT_VERSION_MINOR 29)
 set(PROJECT_VERSION_PATCH 0)
-set(PROJECT_VERSION_GFM 12)
+set(PROJECT_VERSION_GFM 13)
 set(PROJECT_VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}.gfm.${PROJECT_VERSION_GFM})
 
 include("FindAsan.cmake")
diff --git a/changelog.txt b/changelog.txt
index cadb69be..94e8a19f 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,8 @@
+[0.29.0.gfm.13]
+  * Normalized marker row vs. delimiter row nomenclature (#273)
+  * Exposed CMARK_NODE_FOOTNOTE_DEFINITION literal value (#336)
+  * Fix format specifier for printing a size_t (#340)
+
 [0.29.0.gfm.12]
 
   * Fixed polynomial time complexity issues per