diff --git a/.gitmodules b/.gitmodules
index 59f9f8bc6..85d96cb96 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,7 +37,7 @@
         path = cime
         url = https://github.com/ESMCI/cime
         fxDONOTUSEurl = https://github.com/ESMCI/cime
-	fxtag = cime6.1.166
+	fxtag = cime6.1.167
         fxrequired = ToplevelRequired
 
 [submodule "fms"]
diff --git a/ChangeLog b/ChangeLog
index 3050bb008..1125d39f0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,43 @@
+==============================================================
+Tag name: cesm3_0_alpha08i
+Originator(s): CSEG
+Date: 6th Mar 2026
+One-line Summary: CAM fixes to prescribed volcanic aerosols
+
+ccs_config                             https://github.com/ESMCI/ccs_config_cesm/tree/ccs_config_cesm1.0.75  --
+cime                                   https://github.com/ESMCI/cime/tree/cime6.1.167                       **
+components/fms                         https://github.com/ESCOMP/FMS_interface/tree/fi_250428               --
+share                                  https://github.com/ESCOMP/CESM_share/tree/share1.1.19                --
+components/cam                         https://github.com/ESCOMP/CAM/cam6_4_156                             **
+components/clm                         https://github.com/ESCOMP/ctsm/tree/ctsm5.4.022                      --
+components/cice                        https://github.com/ESCOMP/CESM_CICE/tree/cesm3_cice6_6_1_10          --
+components/mom                         https://github.com/ESCOMP/MOM_interface/mi_260121                    --
+components/cism                        https://github.com/ESCOMP/cism-wrapper/tree/cismwrap_2_2_013         --
+components/cdeps                       https://github.com/ESCOMP/CDEPS/tree/cdeps1.0.93                     --
+components/cmeps                       https://github.com/ESCOMP/CMEPS/tree/cmeps1.1.41                     --
+components/rtm                         https://github.com/ESCOMP/rtm/tree/rtm1_0_89                         --
+components/ww3                         https://github.com/ESCOMP/WW3-CESM/tree/main_0.0.19                  --
+components/mizuroute                   https://github.com/ESCOMP/mizuRoute/tree/cesm-coupling.v3.0.1        --
+components/mosart                      https://github.com/ESCOMP/mosart/tree/mosart1_1_13                   --
+libraries/mpi-serial                   https://github.com/ESMCI/mpi-serial/tree/MPIserial_2.5.0             --
+libraries/parallelio                   https://github.com/NCAR/ParallilIO/tree/pio2_6_8                     --
+tools/statistical_ensemble_test/pyCECT https://github.com/NCAR/PyCECT/tree/3.2.1                            --
+tools/CUPiD                            https://github.com/NCAR/CUPiD/tree/v0.5.1                            --
+
+cam
+    Cheryl Craig 2026-03-06 - cam6_4_156 - components/cam (cesm3_0_alpha08i)
+    https://github.com/ESCOMP/CAM/tags/cam6_4_156
+
+    For Francis Vitt:
+    fixes to prescribed volcanic aerosols
+
+
+cime
+    Chris Fischer 2026-03-06 - cime6.1.167 - cime (cesm3_0_alpha08i)
+    https://github.com/ESMCI/cime/tags/cime6.1.167
+
+    Flip cmake macro names to match case.
+
 ==============================================================
 Tag name: cesm3_0_alpha08h
 Originator(s): CSEG
diff --git a/cime b/cime
index 5444eae31..dde843858 160000
--- a/cime
+++ b/cime
@@ -1 +1 @@
-Subproject commit 5444eae31621b4bdaa8a4c82b7809f8b0f285e41
+Subproject commit dde8438589f151b549fafb4b6c103860db16d84e