diff --git a/ci-automation/sdk_bootstrap.sh b/ci-automation/sdk_bootstrap.sh
index d7b14effad..c0758e3e3c 100644
--- a/ci-automation/sdk_bootstrap.sh
+++ b/ci-automation/sdk_bootstrap.sh
@@ -85,10 +85,11 @@ function sdk_bootstrap() {
     cd -
 
     # Create new tag in scripts repo w/ updated versionfile + submodules.
-    # When on the 'main' branch then also push to the branch so the versionfile
-    #  and git submodules stay up to date.
+    # Also push the changes to the branch ONLY IF we're doing a nightly
+    #   build of the 'main' branch AND we're definitely ON the main branch.
     local push_branch="false"
-    if [ "$(git rev-parse --abbrev-ref HEAD)" = "main" ] ; then
+    if   [[ "${version}" =~ ^main-[0-9.]+-nightly-[-0-9]+$ ]] \
+       && [ "$(git rev-parse --abbrev-ref HEAD)" = "main"  ] ; then
         push_branch="true"
     fi
     update_and_push_version "sdk-${git_vernum}" "${push_branch}"