diff --git a/.github/workflows/build-test-codecov.yml b/.github/workflows/build-test-codecov.yml
index 3b4888195..ee7d18650 100644
--- a/.github/workflows/build-test-codecov.yml
+++ b/.github/workflows/build-test-codecov.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/java17-build.yml b/.github/workflows/java17-build.yml
index 01c3fa88d..0bebdf519 100644
--- a/.github/workflows/java17-build.yml
+++ b/.github/workflows/java17-build.yml
@@ -7,6 +7,9 @@ on:
     branches: [ main ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/java21-build.yml b/.github/workflows/java21-build.yml
index 4370c6306..d0ca63fc4 100644
--- a/.github/workflows/java21-build.yml
+++ b/.github/workflows/java21-build.yml
@@ -7,6 +7,9 @@ on:
     branches: [ main ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/java25-build.yml b/.github/workflows/java25-build.yml
index 69dc52af0..2a9e14980 100644
--- a/.github/workflows/java25-build.yml
+++ b/.github/workflows/java25-build.yml
@@ -7,6 +7,9 @@ on:
     branches: [ main ]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest