diff --git a/CHANGELOG.md b/CHANGELOG.md
index 83ac6bf6..44a7c2c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [10.3.6] - 2020-01-02
+
+### Zero-diff to previous release: YES
+
+### Restart Changes: NO
+
+1. Compute decomposition in MKIAU GridComp
+2. Use esma_set_this in GCs
+3. Allows GEOS-Chem (v12.4.0) chemistry to be setup and run "out of the box".
+4. INTERNAL and IMPORT restarts for GEOS-Chem are now in AGCM.rc.tmpl.
+5. GEOS-Chem timestep is set to be 2 x HEARTBEAT by default.
+6. Enforces GOCART_DT==HEARTBEAT_DT so all species work correctly.
+7. Bug fix for comments using GNU compilers with Ninja.
+
 ## [10.3.5] - 2019-11-07
 
 ### Zero-diff to previous release: YES
diff --git a/Externals.cfg b/Externals.cfg
index a967d255..5e163c16 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -69,7 +69,7 @@ protocol = git
 required = True
 repo_url = git@github.com:GEOS-ESM/UMD_Etc.git
 local_path = ./src/Applications/@UMD_Etc
-tag = v1.0.1
+tag = v1.0.2
 protocol = git
 
 [CPLFCST_Etc]