diff --git a/build-community.sh b/build-community.sh
index 77436538bbbd4027e2c4175b833b9600bb48d6fb..b2b73b5abd901da2aeef9b4cbb05e43af5a6dea6 100755
--- a/build-community.sh
+++ b/build-community.sh
@@ -20,6 +20,10 @@
 
 repo_log="$LOGS_DIR/repo-$(date +%Y%m%d).log"
 
+# Determine the number of parallel jobs to use for repo sync
+nproc_value=$(nproc --all)
+JOBS=$(( nproc_value > 10 ? 10 : nproc_value ))
+
 # cd to working directory
 cd "$SRC_DIR"
 
@@ -66,7 +70,7 @@ if [ "$LOCAL_MIRROR" = true ]; then
   fi
 
   echo ">> [$(date)] Syncing mirror repository" | tee -a "$repo_log"
-  repo sync -j$(nproc --all) --force-sync --no-clone-bundle &>>"$repo_log"
+  repo sync -j"$JOBS" --force-sync --no-clone-bundle &>>"$repo_log"
 
   if [ $? != 0 ]; then
     sync_successful=false
@@ -160,7 +164,7 @@ for branch in ${BRANCH_NAME//,/ }; do
 
     echo ">> [$(date)] Syncing branch repository" | tee -a "$repo_log"
     builddate=$(date +%Y%m%d)
-    repo sync -c -j$(nproc --all) --force-sync &>>"$repo_log"
+    repo sync -c -j"$JOBS" --force-sync &>>"$repo_log"
 
     if [ $? != 0 ]; then
       sync_successful=false
@@ -245,7 +249,7 @@ for branch in ${BRANCH_NAME//,/ }; do
           if [ "$LOCAL_MIRROR" = true ]; then
             echo ">> [$(date)] Syncing mirror repository" | tee -a "$repo_log"
             cd "$MIRROR_DIR"
-            repo sync -j$(nproc --all) --force-sync --no-clone-bundle &>>"$repo_log"
+            repo sync -j"$JOBS" --force-sync --no-clone-bundle &>>"$repo_log"
 
             if [ $? != 0 ]; then
               sync_successful=false