diff --git a/checkin_notes b/checkin_notes
index dc60e0fbd4..bb270358be 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -9437,3 +9437,13 @@ Rom    28 Aug 2006
 Rom    28 Aug 2006 (Forked from HEAD)
     - Branch boinc_core_release_5_6 created for the BOINC 5.6 client release.
 
+Charlie 28 Aug 2006 (HEAD and boinc_core_release_5_6 branch)
+    -Mac: Clear S_ISUID and S_ISGID permission bits from standalone Client 
+        when releasing, to eliminate warning when users try to copy it.  
+        End users of standalone Client need to run Mac_SA_Secure.sh script, 
+        which will set these bits.
+        
+    mac_installer/
+        release_boinc.sh
+        release_GridRepublic.sh
+    
\ No newline at end of file
diff --git a/mac_installer/release_GridRepublic.sh b/mac_installer/release_GridRepublic.sh
index 21479582ac..a980679faa 100644
--- a/mac_installer/release_GridRepublic.sh
+++ b/mac_installer/release_GridRepublic.sh
@@ -187,8 +187,9 @@ sudo chmod -R 644 "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_macOSX_universal/Re
 #### mkdir -p "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin"
 #### cp -fpR $BUILDPATH/boinc "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin/"
 #### cp -fpR $BUILDPATH/boinc_cmd "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin/"
+#### cp -fpR curl/ca-bundle.crt "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin/"
 #### sudo chown -R root:admin "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin"/*
-#### sudo chmod -R u+rw,g+r-w,o+r-w "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin"/*
+#### sudo chmod -R u+rw-s,g+r-ws,o+r-w "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_universal-apple-darwin"/*
 
 ##### We've decided not to create branded symbol table file; it is identical to standard one
 #### mkdir -p "${NEW_DIR_PATH}/${LC_BRAND_NAME}_$1.$2.$3_macOSX_SymbolTables"
diff --git a/mac_installer/release_boinc.sh b/mac_installer/release_boinc.sh
index 8259f8c900..2d0f7eac61 100644
--- a/mac_installer/release_boinc.sh
+++ b/mac_installer/release_boinc.sh
@@ -132,7 +132,7 @@ cp -fpR $BUILDPATH/boinc ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_
 cp -fpR $BUILDPATH/boinc_cmd ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_universal-apple-darwin/
 cp -fpR curl/ca-bundle.crt ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_universal-apple-darwin/
 sudo chown -R root:admin ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_universal-apple-darwin/*
-sudo chmod -R u+rw,g+r-w,o+r-w ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_universal-apple-darwin/*
+sudo chmod -R u+rw-s,g+r-ws,o+r-w ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_universal-apple-darwin/*
 
 cp -fpR $BUILDPATH/SymbolTables ../BOINC_Installer/New_Release_$1_$2_$3/boinc_$1.$2.$3_macOSX_SymbolTables/