diff --git a/doc/ChangeLog b/doc/ChangeLog
index fb2de533c7..93142a1a4a 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,5 +1,73 @@
 ===============================================================
 
+Tag name: cam6_4_018
+Originator(s): peverwhee, jedwards4b
+Date: 30 July 2024
+One-line Summary: Update git-fleximod to 8.4 and add fleximod_test workflow
+Github PR URL: https://github.com/ESCOMP/CAM/pull/1107
+
+Purpose of changes (include the issue number and title text for each relevant GitHub issue):
+  - Issue #1113 - Add git-fleximod github CI workflow
+
+Describe any changes made to build system: update git-fleximod
+
+Describe any changes made to the namelist: none
+
+List any changes to the defaults for the boundary datasets: none
+
+Describe any substantial timing or memory changes: none
+
+Code reviewed by: cacraigucar
+
+List all files eliminated: none
+
+List all files added and what they do:
+
+A   .github/workflows/fleximod_test.yaml
+  - add git-fleximod test github workflow
+
+List all existing files that have been modified, and describe the changes:
+
+M   .gitmodules
+  - fix fxDONOTUSEurl for cice
+
+M   .lib/git-fleximod/git_fleximod/cli.py
+M   .lib/git-fleximod/git_fleximod/git_fleximod.py
+M   .lib/git-fleximod/git_fleximod/submodule.py
+M   .lib/git-fleximod/pyproject.toml
+M   .lib/git-fleximod/tbump.toml
+  - update git-fleximod to v8.4
+
+If there were any failures reported from running test_driver.sh on any test
+platform, and checkin with these failures has been OK'd by the gatekeeper,
+then copy the lines from the td.*.status files for the failed tests to the
+appropriate machine below.  All failed tests must be justified.
+
+derecho/intel/aux_cam:
+ERP_Ln9.f09_f09_mg17.FCSD_HCO.derecho_intel.cam-outfrq9s (Overall: FAIL) details:
+- pre-existing failure due to HEMCO not having reproducible results issues #1018 and #856
+
+SMS_D_Ln9_P1280x1.ne0ARCTICne30x4_ne0ARCTICne30x4_mt12.FHIST.derecho_intel.cam-outfrq9s (Overall: PEND) details:
+SMS_D_Ln9_P1280x1.ne0CONUSne30x8_ne0CONUSne30x8_mt12.FCHIST.derecho_intel.cam-outfrq9s (Overall: PEND) details:
+- pre-existing failures -- need fix in CLM external
+
+SMS_D_Ln9.T42_T42.FSCAM.derecho_intel.cam-outfrq9s (Overall: FAIL) details:
+- pre-existing failure -- need fix in CICE external
+
+izumi/nag/aux_cam:
+
+DAE.f45_f45_mg37.FHS94.izumi_nag.cam-dae (Overall: FAIL) details:
+- pre-existing failure - issue #670
+
+izumi/gnu/aux_cam: All PASS
+
+CAM tag used for the baseline comparison tests if different than previous
+tag:
+
+Summarize any changes to answers: BFB, as expected
+
+===============================================================
+
 Tag name: cam6_4_017
 Originator(s): eaton
 Date: 30 July 2024