diff --git a/.github/workflows/cron.yml b/.github/workflows/cron.yml
index 31df7c6a624..770f66bd988 100644
--- a/.github/workflows/cron.yml
+++ b/.github/workflows/cron.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        botorch: ['stable', 'minimum']
+        botorch: ['stable', 'pinned']
       fail-fast: false
 
     steps:
@@ -29,12 +29,12 @@ jobs:
         # will automatically install latest stable Botorch
         pip install -q -e .[dev,mysql,notebook]
       if: matrix.botorch == 'stable'
-    - name: Install dependencies (minimum Botorch)
+    - name: Install dependencies (pinned Botorch)
       run: |
-        # TODO: read minimum supported Botorch version from a shared source
-        pip install botorch==0.3.3
+        # TODO: read pinned Botorch version from a shared source
+        pip install botorch==0.4.0
         pip install -q -e .[dev,mysql,notebook]
-      if: matrix.botorch == 'minimum'
+      if: matrix.botorch == 'pinned'
     - name: Import Ax
       run: |
         python scripts/import_ax.py
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index fbe43d7541e..f03ba731fbb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        botorch: ['stable', 'minimum']
+        botorch: ['stable', 'pinned']
 
     steps:
     - uses: actions/checkout@v2
@@ -26,12 +26,12 @@ jobs:
         # will automatically install latest stable Botorch
         pip install -q -e .[dev,mysql,notebook]
       if: matrix.botorch == 'stable'
-    - name: Install dependencies (minimum Botorch)
+    - name: Install dependencies (pinned Botorch)
       run: |
-        # TODO: read minimum supported Botorch version from a shared source
-        pip install botorch==0.3.3
+        # TODO: read pinned Botorch version from a shared source
+        pip install botorch==0.4.0
         pip install -q -e .[dev,mysql,notebook]
-      if: matrix.botorch == 'minimum'
+      if: matrix.botorch == 'pinned'
     - name: Import Ax
       run: |
         python scripts/import_ax.py
diff --git a/setup.py b/setup.py
index aab770c1a87..2b5b9b34444 100644
--- a/setup.py
+++ b/setup.py
@@ -3,11 +3,11 @@
 
 from setuptools import find_packages, setup
 
-
-MIN_BOTORCH_VERSION = "0.3.3"
+# TODO: read pinned Botorch version from a shared source
+PINNED_BOTORCH_VERSION = "0.4.0"
 
 REQUIRES = [
-    f"botorch>={MIN_BOTORCH_VERSION}",
+    f"botorch=={PINNED_BOTORCH_VERSION}",
     "jinja2",  # also a Plotly dep
     "pandas",
     "scipy",