diff --git a/.github/workflows/unit_tests_and_docs.yml b/.github/workflows/unit_tests_and_docs.yml
index af98cede..bb1b191a 100644
--- a/.github/workflows/unit_tests_and_docs.yml
+++ b/.github/workflows/unit_tests_and_docs.yml
@@ -39,7 +39,7 @@ jobs:
           echo "=============================================================";
           source $CONDA/etc/profile.d/conda.sh;
           echo $CONDA/bin >> $GITHUB_PATH;
-          conda create -n OpenMDAO -c conda-forge python=3.12 mamba=2.0.5 -q -y;
+          conda create -n OpenMDAO -c conda-forge python=3.12 pip mamba=2.0.5 -q -y;
           conda activate OpenMDAO;
           pip install --upgrade pip;
           conda install -c conda-forge numpy>=2.0 scipy lapack -q -y;
@@ -61,7 +61,7 @@ jobs:
           echo "=============================================================";
           echo "Install optional dependencies";
           echo "=============================================================";
-          mamba install -c "smdogroup/label/complex" -c smdogroup -c conda-forge "tacs>=3.10.0" "funtofem>=0.3.10" -q -y;
+          mamba install -c "smdogroup/label/complex" -c smdogroup -c conda-forge "tacs>=3.12.0" "funtofem>=0.3.10" -q -y;
           pip install openaerostruct;
           echo "=============================================================";
           echo "List installed packages/versions";
diff --git a/README.md b/README.md
index 74a6cddb..65488f02 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ Open-source codes with builders and components compatible with mphys:
 | [FunToFEM](https://github.com/smdogroup/funtofem)          | 0.3.10               | Load and Displacement Transfer | Point cloud based transfer scheme. Part of the FUNtoFEM package.        |
 | [pyCycle](https://github.com/OpenMDAO/pyCycle)             | 4.4.0                | Propulsion                     | Thermodynamic cycle modeling library for engines.                       |
 | [pyGeo](https://github.com/mdolab/pygeo)                   | 1.17.0               | Geometric Parameterization     | Wrapper for ESP, OpenVSP, and a free-form deformation parameterization. |
-| [TACS](https://github.com/smdogroup/tacs)                  | 3.10.0               | Structures                     | Parallel Finite Element Analysis.                                       |
+| [TACS](https://github.com/smdogroup/tacs)                  | 3.12.0               | Structures                     | Parallel Finite Element Analysis.                                       |
 
 \* Recommended version to run mphys examples. Older versions may still be supported.
 
diff --git a/tests/regression_tests/test_aerostruct.py b/tests/regression_tests/test_aerostruct.py
index 26c8d75b..24d62089 100644
--- a/tests/regression_tests/test_aerostruct.py
+++ b/tests/regression_tests/test_aerostruct.py
@@ -241,10 +241,10 @@ def configure(self):
             "xfer_builder_class": MeldBuilder,
             "xfer_options": {"isym": 1, "n": 200, "beta": 0.5},
             "ref_vals": {
-                "xa": 5.633698956781166,
-                "cl": 0.209180113189859,
-                "func_struct": 0.6808193125485819,
-                "cd": 0.025108879963099927,
+                "xa": 5.6325776715065015,
+                "cl": 0.207054159265366,
+                "func_struct": 0.7856601536901262,
+                "cd": 0.025068811110862173,
             },
         },
         # {