diff --git a/ci/spack.yaml b/ci/spack.yaml
index c72a0f3b1..2804073b3 100644
--- a/ci/spack.yaml
+++ b/ci/spack.yaml
@@ -13,7 +13,7 @@ spack:
   - sp@2.5.0
   - w3emc@2.10.0
   - sfcio@1.4.1
-  - sigio@2.3.2
+  - sigio@2.3.3
   - nccmp@1.9.0.1
   - parallelio@2.5.10+fortran~pnetcdf
   - esmf@8.6.0