diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index c34020b35c..f0678c3f29 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -20,6 +20,9 @@ on:
     branches: [ master ]
     types: [opened, reopened, synchronize, labeled]
 
+permissions:
+  contents: read
+
 jobs:
   event_file:
     name: "Event File"
diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index dcac225bc7..101edbefa7 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -9,6 +9,9 @@ on:
   pull_request:
     branches: [ master ]
 
+permissions:
+  contents: read
+
 jobs:
   check-freeze-period:
     uses: eclipse-platform/eclipse.platform.releng.aggregator/.github/workflows/verifyFreezePeriod.yml@master
diff --git a/.github/workflows/version-increments.yml b/.github/workflows/version-increments.yml
index 7f0450b41a..c4d9915aef 100644
--- a/.github/workflows/version-increments.yml
+++ b/.github/workflows/version-increments.yml
@@ -5,6 +5,9 @@ on:
     workflows: [ 'Pull-Request Checks' ]
     types: [ completed ]
 
+permissions:
+  contents: read
+
 jobs:
   publish-version-check-results:
     uses: eclipse-platform/eclipse.platform.releng.aggregator/.github/workflows/publishVersionCheckResults.yml@master