diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f43eb46..a100559d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,72 @@
 
 ## Unreleased
 
+## [11.5.2] - 2024-03-04
+
+### Zero-diff to Previous Release: YES
+### Restart Changes: YES (see details below)
+
+### Major Zero-Diff Changes:
+* OBIO (NOBM) is integrated into the Krok Model [#871](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/871)
+* SHOC-MF updates [#902](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/902)
+* Refactor DataSea/DataIce `IS_FCST` to `OGCM_IS_FCST` [#910](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/910) [#583](https://github.com/GEOS-ESM/GEOSgcm_App/pull/583)
+* Disable Catchment-CN4.5 land model option (LSM_CHOICE=3) for GCM simulations [#900](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/900) [#575](https://github.com/GEOS-ESM/GEOSgcm_App/pull/575)
+* `AGCM.rc` updates to support RRTMGP v1.7 [#585](https://github.com/GEOS-ESM/GEOSgcm_App/pull/585)
+* Add new history template `HISTORY.RADVAL.rc.tmpl` to support RRTMGP validation [#582](https://github.com/GEOS-ESM/GEOSgcm_App/pull/582)
+* Assorted enhancements of `remap_restarts.py` package (EASE, SLES15, NAS, lake/landice log) [#43](https://github.com/GEOS-ESM/GEOS_Util/pull/43)
+* Addition of new features to generate ocean boundary conditions for atmosphere-only forecasts [#47](https://github.com/GEOS-ESM/GEOS_Util/pull/47)
+* Do not remap restarts when it is not necessary [#53](https://github.com/GEOS-ESM/GEOS_Util/pull/53)
+* Add surface forcing  lfo_Nx+-  to HISTORY.rc.tmpl  [#578](https://github.com/GEOS-ESM/GEOSgcm_App/pull/578)
+* Plot updates for transport images and stats montage fixes [#57](https://github.com/GEOS-ESM/GEOS_Util/pull/57)
+* Bugfix in SCM #903 [#904](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/904)
+* Fix for GNU `hystpdf` crash [#899](https://github.com/GEOS-ESM/GEOSgcm_GridComp/pull/899)
+* Initialize `USE_WAVES` to 0 [#569](https://github.com/GEOS-ESM/GEOSgcm_App/pull/569) [#570](https://github.com/GEOS-ESM/GEOSgcm_App/pull/570)
+* Use `nccmp`, add readers/writers test to regress [#573](https://github.com/GEOS-ESM/GEOSgcm_App/pull/573)
+* Use CMake to determine MPI Stack [#580](https://github.com/GEOS-ESM/GEOSgcm_App/pull/580)
+* Move to use cp and tar at NAS [#56](https://github.com/GEOS-ESM/GEOS_Util/pull/56)
+* Prepare for sparse checkout [#58](https://github.com/GEOS-ESM/GEOS_Util/pull/58)
+
+### Fixture Changes:
+* ESMA_cmake  [v3.38.0 => v3.41.0](https://github.com/GEOS-ESM/ESMA_cmake/compare/v3.38.0...v3.41.0)
+* GEOS_Util  [v2.0.5 => v2.0.7](https://github.com/GEOS-ESM/GEOS_Util/compare/v2.0.5...v2.0.7)
+* MAPL  [v2.43.1 => v2.44.0](https://github.com/GEOS-ESM/MAPL/compare/v2.43.1...v2.44.0)
+* GEOSgcm_GridComp  [v2.5.1 => v2.5.2](https://github.com/GEOS-ESM/GEOSgcm_GridComp/compare/v2.5.1...v2.5.2)
+* FVdycoreCubed_GridComp  [v2.10.0 => v2.11.0](https://github.com/GEOS-ESM/FVdycoreCubed_GridComp/compare/v2.10.0...v2.11.0)
+* GEOS_OceanGridComp  [v2.1.5 => v2.1.6](https://github.com/GEOS-ESM/GEOS_OceanGridComp/compare/v2.1.5...v2.1.6)
+* MOM6  [geos/v2.2.3 => geos/v3.1](https://github.com/GEOS-ESM/MOM6/compare/geos/v2.2.3...geos/v3.1)
+* icepack  [geos/v0.1.1 => geos/v0.2.0](https://github.com/GEOS-ESM/Icepack/compare/geos/v0.1.1...geos/v0.2.0)
+* GEOSradiation_GridComp  [v1.6.0 => v1.8.0](https://github.com/GEOS-ESM/GEOSradiation_GridComp/compare/v1.6.0...v1.8.0)
+* RRTMGP  [RRTMGP  geos/v1.6+1.1.0 => geos/v1.7+1.0.0](https://github.com/GEOS-ESM/rte-rrtmgp/compare/geos/v1.6+1.1.0...geos/v1.7+1.0.0)
+* GEOSgcm_App  [v2.3.1 => v2.3.2](https://github.com/GEOS-ESM/GEOSgcm_App/compare/v2.3.1...v2.3.2)
+
+### Restart Changes:
+
+The following changes occurred in `solar_internal_rst` but the overall state of the model is zero-diff with RRTMG.
+
+- Metadata changes (`long_name`)
+  - `CLDHISW`: "high-level_cloud_area_fraction_rrtmg_sw_REFRESH" → "high-level_cloud_area_fraction_RRTMG_P_SW_REFRESH"
+  - `CLDLOSW`: "low-level_cloud_area_fraction_rrtmg_sw_REFRESH" → "low-level_cloud_area_fraction_RRTMG_P_SW_REFRESH"
+  - `CLDMDSW`: "mid-level_cloud_area_fraction_rrtmg_sw_REFRESH" → "mid-level_cloud_area_fraction_RRTMG_P_SW_REFRESH"
+  - `CLDTTSW`: "total_cloud_area_fraction_rrtmg_sw_REFRESH" → "total_cloud_area_fraction_RRTMG_P_SW_REFRESH"
+- Removed fields
+  - `TAUHIPAR`
+  - `TAULOPAR`
+  - `TAUMDPAR`
+  - `TAUTTPAR`
+- Added fields
+  - `COTDENHIPAR`
+  - `COTDENLOPAR`
+  - `COTDENMDPAR`
+  - `COTDENTTPAR` 
+  - `COTHIPAR`
+  - `COTLOPAR`
+  - `COTMDPAR`
+  - `COTTTPAR`
+  - `COTNUMHIPAR`
+  - `COTNUMLOPAR`
+  - `COTNUMMDPAR` 
+  - `COTNUMTTPAR`
+
 ## [11.5.1] - 2024-01-30
 
 ### Zero-diff to Previous Release: YES
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c79938d..fc2dc3fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_policy (SET CMP0054 NEW)
 
 project (
   GEOSgcm
-  VERSION 11.5.1
+  VERSION 11.5.2
   LANGUAGES Fortran CXX C)  # Note - CXX is required for ESMF
 
 if ("${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}")