diff --git a/.github/workflows/extbuild.yml b/.github/workflows/extbuild.yml
index e1c69cd7..621ae36c 100644
--- a/.github/workflows/extbuild.yml
+++ b/.github/workflows/extbuild.yml
@@ -23,8 +23,8 @@ jobs:
       ESMF_VERSION: v8.6.1
       PNETCDF_VERSION: checkpoint.1.12.3
       NETCDF_FORTRAN_VERSION: v4.6.1
-      PIO_VERSION: pio2_6_2
-      CDEPS_VERSION: cdeps1.0.36
+      PIO_VERSION: pio2_6_3
+      CDEPS_VERSION: cdeps1.0.49
     steps:
       - uses: actions/checkout@v4
         # Build the ESMF library, if the cache contains a previous build
diff --git a/.github/workflows/srt.yml b/.github/workflows/srt.yml
index efec7ba8..48855281 100644
--- a/.github/workflows/srt.yml
+++ b/.github/workflows/srt.yml
@@ -27,7 +27,7 @@ jobs:
       LDFLAGS: "-L/usr/lib/x86_64-linux-gnu -lnetcdf -lnetcdff -lpnetcdf"     
       # Versions of all dependencies can be updated here
       ESMF_VERSION: v8.6.1
-      PARALLELIO_VERSION: pio2_6_2
+      PARALLELIO_VERSION: pio2_6_3
       CIME_MODEL: cesm
       CIME_DRIVER: nuopc
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}