diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 0b97ca2..9e27310 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -7,6 +7,9 @@ on:
       - main
   workflow_dispatch:  # make manually launchable (on demand)
 
+permissions:
+  contents: read
+
 jobs:
   validate:
     runs-on: ubuntu-latest
diff --git a/pyproject.toml b/pyproject.toml
index 86a55ae..db27057 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "basic_data_handling"
-version = "1.5.0"
+version = "1.5.1"
 description = """Basic Python functions for manipulating data that every programmer is used to, lightweight with no additional dependencies.
 
 Supported data types: