diff --git a/.github/workflows/unix-noax.yml b/.github/workflows/unix-noax.yml
index 7903c0d0..b5bdfab1 100644
--- a/.github/workflows/unix-noax.yml
+++ b/.github/workflows/unix-noax.yml
@@ -31,7 +31,6 @@ jobs:
         conda install -c conda-forge mpi4py mpich
         pip install torch --index-url https://download.pytorch.org/whl/cpu
         pip install .[test]
-        pip install gest-api
         pip install xopt
         pip uninstall --yes ax-platform # Run without Ax
     - shell: bash -l {0}
diff --git a/.github/workflows/unix-openmpi.yml b/.github/workflows/unix-openmpi.yml
index 053ac589..f5d05fda 100644
--- a/.github/workflows/unix-openmpi.yml
+++ b/.github/workflows/unix-openmpi.yml
@@ -31,7 +31,6 @@ jobs:
         conda install -c conda-forge mpi4py openmpi=5.*
         pip install torch --index-url https://download.pytorch.org/whl/cpu
         pip install .[test]
-        pip install gest-api
         pip install xopt
     - shell: bash -l {0}
       name: Run unit tests with openMPI
diff --git a/.github/workflows/unix.yml b/.github/workflows/unix.yml
index da2bcc35..c56d0819 100644
--- a/.github/workflows/unix.yml
+++ b/.github/workflows/unix.yml
@@ -31,7 +31,6 @@ jobs:
         conda install -c conda-forge mpi4py mpich
         pip install torch --index-url https://download.pytorch.org/whl/cpu
         pip install .[test]
-        pip install gest-api
         pip install xopt
     - shell: bash -l {0}
       name: Run unit tests with MPICH
diff --git a/pyproject.toml b/pyproject.toml
index 03a5db4f..75378e72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
     'Programming Language :: Python :: 3.12',
 ]
 dependencies = [
+    'gest-api >= 0.1',
     'libensemble >= 1.6.0',
     'numpy',
     'jinja2',