diff --git a/.github/linters/.jscpd.json b/.github/linters/.jscpd.json
new file mode 100644
index 0000000..6eb5f17
--- /dev/null
+++ b/.github/linters/.jscpd.json
@@ -0,0 +1,3 @@
+{
+  "threshold": 3
+}
\ No newline at end of file
diff --git a/.github/workflows/build-distribution.yaml b/.github/workflows/build-distribution.yaml
index b2bae64..66d46a2 100644
--- a/.github/workflows/build-distribution.yaml
+++ b/.github/workflows/build-distribution.yaml
@@ -2,6 +2,9 @@ name: build distribution
 
 on: [push]
 
+permissions:
+  contents: read
+
 jobs:
   build-distribution:
     name: build distribution
diff --git a/.github/workflows/publish-to-pypi.yaml b/.github/workflows/publish-to-pypi.yaml
index b95a0fb..5f80dc4 100644
--- a/.github/workflows/publish-to-pypi.yaml
+++ b/.github/workflows/publish-to-pypi.yaml
@@ -5,6 +5,9 @@ on:
     tags:
       - "[0-9]+.[0-9]+.[0-9]+"
 
+permissions:
+  contents: read
+
 jobs:
   build-distribution:
     name: build distribution