diff --git a/.build/start-notebook.sh b/.build/start-notebook.sh
old mode 100644
new mode 100755
diff --git a/.build/start-singleuser.sh b/.build/start-singleuser.sh
old mode 100644
new mode 100755
diff --git a/.build/start.sh b/.build/start.sh
old mode 100644
new mode 100755
diff --git a/generate_Dockerfile.sh b/generate_Dockerfile.sh
index 5546207..9c7b9a3 100755
--- a/generate_Dockerfile.sh
+++ b/generate_Dockerfile.sh
@@ -29,6 +29,7 @@ cp $STACKS_DIR/base-notebook/fix-permissions .build/
 cp $STACKS_DIR/base-notebook/start.sh .build/
 cp $STACKS_DIR/base-notebook/start-notebook.sh .build/
 cp $STACKS_DIR/base-notebook/start-singleuser.sh .build/
+chmod 755 $STACKS_DIR/*.sh
 
 echo "
 ############################################################################