diff --git a/.github/actions/install-aiida-core/action.yml b/.github/actions/install-aiida-core/action.yml
index 00af79913..cf28a3ff8 100644
--- a/.github/actions/install-aiida-core/action.yml
+++ b/.github/actions/install-aiida-core/action.yml
@@ -33,7 +33,7 @@ runs:
   - name: Set up uv
     uses: astral-sh/setup-uv@v5.2.1
     with:
-      version: 0.5.x
+      version: 0.5.21
       python-version: ${{ inputs.python-version }}
 
   - name: Install dependencies from uv lock
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5dbb778b8..883774689 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -57,7 +57,7 @@ repos:
       )$
 
 - repo: https://github.com/astral-sh/uv-pre-commit
-  rev: 0.5.20
+  rev: 0.5.21
   hooks:
     # Check and update the uv lockfile
   - id: uv-lock
diff --git a/pyproject.toml b/pyproject.toml
index 4ee43b8c0..cf4b575b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -512,4 +512,6 @@ commands = molecule {posargs:test}
 """
 
 [tool.uv]
-required-version = ">=0.5.20"
+# NOTE: When you bump the minimum uv version, you also need
+# to bump it in .pre-commit-config.yaml and .github/actions/install-aiida-core/action.yml
+required-version = ">=0.5.21"