diff --git a/Apps/MAPL_GridCompSpecs_ACG.py b/Apps/MAPL_GridCompSpecs_ACG.py
index c35651e50eda..ad1151c1cf53 100755
--- a/Apps/MAPL_GridCompSpecs_ACG.py
+++ b/Apps/MAPL_GridCompSpecs_ACG.py
@@ -183,8 +183,8 @@ def get_mandatory_options(cls):
         'FRIENDLYTO': ('friendlyto', string_emit),
         'FRIEND2': ('friendlyto', string_emit),
         'HALOWIDTH': ('halowidth',),
-        'NUM_SUBTILES': ('num_subtitles',),
-        'NUMSUBS': ('num_subtitles',),
+        'NUM_SUBTILES': ('num_subtiles',),
+        'NUMSUBS': ('num_subtiles',),
         'PRECISION': ('precision',),
         'PREC': ('precision',),
         'REFRESH_INTERVAL': ('refresh_interval',),
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5501327884de..8c008fb67a45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Deprecated
 
+## [2.54.1] - 2025-02-07
+
+- Fix typo in ACG: 'num_subtitles' => 'num_subtiles'
+
 ## [2.54.0] - 2025-02-07
 
 ### Changed
diff --git a/CMakeLists.txt b/CMakeLists.txt
index eed1318cefdd..6e5addfcaac9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ endif ()
 
 project (
   MAPL
-  VERSION 2.54.0
+  VERSION 2.54.1
   LANGUAGES Fortran CXX C)  # Note - CXX is required for ESMF
 
 # Set the possible values of build type for cmake-gui