diff --git a/.github/workflows/Build ThunderLibraries on Linux.yml b/.github/workflows/Build ThunderLibraries on Linux.yml
index bf69c3b..92d70d4 100644
--- a/.github/workflows/Build ThunderLibraries on Linux.yml	
+++ b/.github/workflows/Build ThunderLibraries on Linux.yml	
@@ -1,5 +1,8 @@
 name: Build ThunderLibraries on Linux
 
+permissions:
+  contents: read
+
 on:
   workflow_dispatch:
   push:
diff --git a/.github/workflows/Linux build template.yml b/.github/workflows/Linux build template.yml
index 3604301..4eddd25 100644
--- a/.github/workflows/Linux build template.yml	
+++ b/.github/workflows/Linux build template.yml	
@@ -1,5 +1,8 @@
 name: Linux build template
 
+permissions:
+  contents: read
+
 on:
   workflow_call: