diff --git a/demos/sqlite/download_and_build_sqlite.sh b/demos/sqlite/download_and_build_sqlite.sh
index 21e6d7a2..cf6ebad3 100755
--- a/demos/sqlite/download_and_build_sqlite.sh
+++ b/demos/sqlite/download_and_build_sqlite.sh
@@ -1,18 +1,25 @@
 #!/bin/bash
 set -e
 
-SQLITE=sqlite-autoconf-3310100
+SQLITE=sqlite-autoconf-3330000
 SQLITE_SRC=sqlite_src
 DEMO=sqlite_demo
+SPEEDTEST=speedtest1
 
 # Download SQLite source files
 [ ! -d $SQLITE_SRC ] && rm -f $SQLITE.tar.gz && \
-               wget http://www3.sqlite.org/2020/$SQLITE.tar.gz \
+               wget http://www.sqlite.org/2020/$SQLITE.tar.gz \
                && rm -rf $SQLITE && tar xf $SQLITE.tar.gz \
                && mv $SQLITE $SQLITE_SRC \
                && rm -f $SQLITE.tar.gz
-
 [ -e $DEMO ] && rm -f $DEMO
 echo -e "Starting to build $DEMO ..."
 occlum-gcc -O2 -I$SQLITE_SRC sqlite_demo.c $SQLITE_SRC/sqlite3.c -lpthread -ldl -o $DEMO
 echo -e "Build $DEMO succeed"
+
+[ -e $SPEEDTEST ] && rm -f $SPEEDTEST && rm -f $SPEEDTEST.c
+echo -e "Starting to build $SPEEDTEST ..."
+wget https://raw.githubusercontent.com/sqlite/sqlite/version-3.33.0/test/$SPEEDTEST.c
+occlum-gcc -O6 -I$SQLITE_SRC -DNDEBUG=1 -DSQLITE_ENABLE_MEMSYS5 -DSQLITE_THREADSAFE=2 -DSQLITE_DEFAULT_WORKER_THREADS=32 $SPEEDTEST.c $SQLITE_SRC/sqlite3.c -lpthread -ldl -o $SPEEDTEST
+echo -e "Build $SPEEDTEST succeed"
+
diff --git a/demos/sqlite/run_sqlite_on_occlum.sh b/demos/sqlite/run_sqlite_on_occlum.sh
index d622d71a..f8511bfc 100755
--- a/demos/sqlite/run_sqlite_on_occlum.sh
+++ b/demos/sqlite/run_sqlite_on_occlum.sh
@@ -11,6 +11,7 @@ SQL_STMT="CREATE TABLE COMPANY ( \
     SALARY REAL ); \
     INSERT INTO COMPANY VALUES ( 1, 'Kris', 27, 'California', 16000.00 ); \
     SELECT * FROM COMPANY;"
+SPEEDTEST=speedtest1
 
 if [ ! -e $DEMO ];then
     echo "Error: cannot stat '$DEMO'"
@@ -18,6 +19,12 @@ if [ ! -e $DEMO ];then
     exit 1
 fi
 
+if [ ! -e $SPEEDTEST ];then
+    echo "Error: cannot stat '$SPEEDTEST'"
+    echo "Please see README and build the $SPEEDTEST"
+    exit 1
+fi
+
 # 1. Init Occlum Workspace
 rm -rf occlum_instance && mkdir occlum_instance
 cd occlum_instance
@@ -25,7 +32,9 @@ occlum init
 
 # 2. Copy files into Occlum Workspace and build
 cp ../$DEMO image/bin
+cp ../$SPEEDTEST image/bin
 occlum build
 
 # 3. Run the demo
 occlum run /bin/$DEMO "$SQL_DB" "$SQL_STMT"
+occlum run /bin/$SPEEDTEST --memdb --stats --size 100