diff --git a/conn.go b/conn.go
index 3bf0216..43ae40d 100644
--- a/conn.go
+++ b/conn.go
@@ -69,6 +69,7 @@ func (c *Conn) openDB(filename string, flags OpenFlag) (uint32, error) {
 	connPtr := c.arena.new(ptrlen)
 	namePtr := c.arena.string(filename)
 
+	flags |= OPEN_EXRESCODE
 	r := c.call(c.api.open, uint64(namePtr), uint64(connPtr), uint64(flags), 0)
 
 	handle := c.mem.readUint32(connPtr)
diff --git a/embed/build.sh b/embed/build.sh
index 73ed0d0..29b0830 100755
--- a/embed/build.sh
+++ b/embed/build.sh
@@ -13,4 +13,10 @@ zig cc --target=wasm32-wasi -flto -g0 -Os \
 	-mbulk-memory -mreference-types \
 	-mnontrapping-fptoint -msign-ext \
 	-D_HAVE_SQLITE_CONFIG_H \
-	$(awk '{print "-Wl,--export="$0}' exports.txt)
\ No newline at end of file
+	$(awk '{print "-Wl,--export="$0}' exports.txt)
+
+# optimize SQLite
+if which wasm-opt; then
+	wasm-opt -g -O -o sqlite3.tmp sqlite3.wasm
+	mv sqlite3.tmp sqlite3.wasm
+fi
\ No newline at end of file
diff --git a/embed/exports.txt b/embed/exports.txt
index 69b5b18..f9d5d40 100644
--- a/embed/exports.txt
+++ b/embed/exports.txt
@@ -40,7 +40,6 @@ sqlite3_blob_reopen
 sqlite3_get_autocommit
 sqlite3_last_insert_rowid
 sqlite3_changes64
-sqlite3_unlock_notify
 sqlite3_backup_init
 sqlite3_backup_step
 sqlite3_backup_finish
diff --git a/embed/sqlite3.wasm b/embed/sqlite3.wasm
old mode 100755
new mode 100644
index 6f0c6cb..19c2556
Binary files a/embed/sqlite3.wasm and b/embed/sqlite3.wasm differ
diff --git a/sqlite3/amalg.c b/sqlite3/amalg.c
index d942bf3..37b1153 100644
--- a/sqlite3/amalg.c
+++ b/sqlite3/amalg.c
@@ -3,9 +3,8 @@
 #include "main.c"
 #include "os.c"
 #include "qsort.c"
-#include "time.c"
-
 #include "sqlite3.c"
+#include "time.c"
 
 sqlite3_destructor_type malloc_destructor = &free;
 size_t sqlite3_interrupt_offset = offsetof(sqlite3, u1.isInterrupted);
\ No newline at end of file
diff --git a/sqlite3/download.sh b/sqlite3/download.sh
index 0951636..21e4042 100755
--- a/sqlite3/download.sh
+++ b/sqlite3/download.sh
@@ -4,7 +4,7 @@ set -eo pipefail
 cd -P -- "$(dirname -- "$0")"
 
 if [ ! -f "sqlite3.c" ]; then
-	url="https://sqlite.org/2023/sqlite-amalgamation-3410000.zip"
+	url="https://sqlite.org/2023/sqlite-amalgamation-3410100.zip"
 	curl "$url" > sqlite.zip
 	unzip -d . sqlite.zip
 	mv sqlite-amalgamation-*/sqlite3* .
diff --git a/sqlite3/format.sh b/sqlite3/format.sh
index 6b3a857..c65cbc6 100755
--- a/sqlite3/format.sh
+++ b/sqlite3/format.sh
@@ -1,8 +1,5 @@
 #!/usr/bin/env bash
 cd -P -- "$(dirname -- "$0")"
 
-clang-format -i \
-	main.c \
-	os.c \
-	qsort.c \
-	amalg.c
\ No newline at end of file
+shopt -s extglob
+clang-format -i !(sqlite3*).@(c|h)
\ No newline at end of file
diff --git a/tests/mptest/testdata/build.sh b/tests/mptest/testdata/build.sh
index e221442..3ceb8d5 100755
--- a/tests/mptest/testdata/build.sh
+++ b/tests/mptest/testdata/build.sh
@@ -23,4 +23,9 @@ zig cc --target=wasm32-wasi -flto -g0 -Os \
 	-DSQLITE_DEFAULT_LOCKING_MODE=0 \
 	-DHAVE_USLEEP -DSQLITE_NO_SYNC \
 	-DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
-	-D_WASI_EMULATED_GETPID -lwasi-emulated-getpid
\ No newline at end of file
+	-D_WASI_EMULATED_GETPID -lwasi-emulated-getpid
+
+if which wasm-opt; then
+	wasm-opt -g -O -o mptest.tmp mptest.wasm
+	mv mptest.tmp mptest.wasm
+fi
\ No newline at end of file
diff --git a/tests/mptest/testdata/mptest.wasm b/tests/mptest/testdata/mptest.wasm
old mode 100755
new mode 100644
index 97b7a68..33b5182
--- a/tests/mptest/testdata/mptest.wasm
+++ b/tests/mptest/testdata/mptest.wasm
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3960b873a7dab969a66f7859d491cec0dd4e6c0c9f83eab449fb15ec5ebdfd8f
-size 1077281
+oid sha256:56ba9702a874d9ebf8a7eab2b39f7f74127931038fa8c9298b59120ae20a4653
+size 969013