diff --git a/.github/workflows/develop-checks.yaml b/.github/workflows/develop-checks.yaml
index 9ddda56c1..9ca05668f 100644
--- a/.github/workflows/develop-checks.yaml
+++ b/.github/workflows/develop-checks.yaml
@@ -36,7 +36,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e tests_old -- --runslow only
 
diff --git a/.github/workflows/quality-checks.yaml b/.github/workflows/quality-checks.yaml
index fe6e549c0..361ec161c 100644
--- a/.github/workflows/quality-checks.yaml
+++ b/.github/workflows/quality-checks.yaml
@@ -36,7 +36,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e types_old
 
@@ -76,7 +76,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e tests_old_${{ matrix.part }}
 
diff --git a/.github/workflows/release-checks.yaml b/.github/workflows/release-checks.yaml
index 7699138e8..6c968596a 100644
--- a/.github/workflows/release-checks.yaml
+++ b/.github/workflows/release-checks.yaml
@@ -36,7 +36,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e types_old
 
@@ -74,7 +74,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e tests_old_${{ matrix.part }}
 
@@ -94,7 +94,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
-        python-version: "3.7"
+        python-version: "3.8"
     - run: pip install tox
     - run: tox -e tests_old -- --runslow only
 
diff --git a/README.md b/README.md
index 6ba2639b5..43655aaef 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ query_point, observation, arg_min_idx = result.try_get_optimal_point()
 
 ## Installation
 
-Trieste supports Python 3.7+ and TensorFlow 2.5+, and uses [semantic versioning](https://semver.org/).
+Trieste supports Python 3.8+ and TensorFlow 2.5+, and uses [semantic versioning](https://semver.org/).
 
 
 ### For users
diff --git a/docs/index.rst b/docs/index.rst
index ac4e7d0f3..0051345ca 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -44,7 +44,7 @@ To install Trieste, run
 
    $ pip install trieste
 
-The library supports Python 3.7 onwards, and uses `semantic versioning <https://semver.org/>`_.
+The library supports Python 3.8 onwards, and uses `semantic versioning <https://semver.org/>`_.
 
 Getting help
 ------------
diff --git a/setup.py b/setup.py
index 9098c09e5..8f3ac4067 100644
--- a/setup.py
+++ b/setup.py
@@ -32,11 +32,11 @@
         "trieste": ["py.typed", "VERSION"],
     },
     classifiers=[
-        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
     ],
-    python_requires="~=3.7",
+    python_requires="~=3.8",
     install_requires=[
         "absl-py",
         "dill<0.3.6",
diff --git a/tox.ini b/tox.ini
index d7a753af1..f0c3f9a06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -82,13 +82,13 @@ commands =
     quickdocs: pip install -r docs/requirements.txt -c docs/constraints.txt
     quickdocs: bash -c "cd docs; if (python notebooks/quickrun/quickrun.py && make html); then python notebooks/quickrun/quickrun.py --revert; else python notebooks/quickrun/quickrun.py --revert; exit 1; fi"
 
-# additional tests using python 3.7 and older versions of tensorflow
+# additional tests using python 3.8 and older versions of tensorflow
 
 [testenv:{types_old,tests_old,tests_old_1,tests_old_2,tests_old_3,tests_old_4}]
-basepython = python3.7
+basepython = python3.8
 description =
-    types_old: Check types [Python 3.7]
-    tests_old: Run tests [Python 3.7, no qhsri]
+    types_old: Check types [Python 3.8]
+    tests_old: Run tests [Python 3.8, no qhsri]
     tests_old_1: Run old tests part 1
     tests_old_2: Run old tests part 2
     tests_old_3: Run old tests part 3