diff --git a/spack.yaml b/spack.yaml
index 97b2dc79..ec26c04e 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -32,7 +32,7 @@ spack:
       - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
     access-mom6:
       require:
-      - '@2026.05.002'
+      - '@git.481a52fbbb808dd84790b2cbabc2a3d500f559b2'
       - +mom6_solo
       - 'fflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'
       - 'cflags="-march=sapphirerapids -mtune=sapphirerapids -unroll"'