diff --git a/embed/README.md b/embed/README.md
index 2d94da3..8003043 100644
--- a/embed/README.md
+++ b/embed/README.md
@@ -1,6 +1,6 @@
 # Embeddable WASM build of SQLite
 
-This folder includes an embeddable WASM build of SQLite 3.41.1 for use with
+This folder includes an embeddable WASM build of SQLite 3.41.2 for use with
 [`github.com/ncruces/go-sqlite3`](https://pkg.go.dev/github.com/ncruces/go-sqlite3).
 
 The following optional features are compiled in:
diff --git a/embed/build.sh b/embed/build.sh
index 59a2c70..f99d560 100755
--- a/embed/build.sh
+++ b/embed/build.sh
@@ -4,17 +4,11 @@ set -eo pipefail
 cd -P -- "$(dirname -- "$0")"
 
 # build SQLite
-zig cc --target=wasm32-wasi -flto -g0 -Os \
+zig cc --target=wasm32-wasi -flto -g0 -O2 \
   -o sqlite3.wasm ../sqlite3/main.c \
 	-I../sqlite3/ \
 	-mmutable-globals \
 	-mbulk-memory -mreference-types \
 	-mnontrapping-fptoint -msign-ext \
 	-D_HAVE_SQLITE_CONFIG_H \
-	$(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
+	$(awk '{print "-Wl,--export="$0}' exports.txt)
\ No newline at end of file
diff --git a/embed/sqlite3.wasm b/embed/sqlite3.wasm
old mode 100644
new mode 100755
index 3f2ed8e..4353beb
Binary files a/embed/sqlite3.wasm and b/embed/sqlite3.wasm differ
diff --git a/sqlite3/download.sh b/sqlite3/download.sh
index c032ec8..3797447 100755
--- a/sqlite3/download.sh
+++ b/sqlite3/download.sh
@@ -3,29 +3,29 @@ set -eo pipefail
 
 cd -P -- "$(dirname -- "$0")"
 
-curl -#OL "https://sqlite.org/2023/sqlite-amalgamation-3410100.zip"
+curl -#OL "https://sqlite.org/2023/sqlite-amalgamation-3410200.zip"
 unzip -d . sqlite-amalgamation-*.zip
 mv sqlite-amalgamation-*/sqlite3* .
 rm -rf sqlite-amalgamation-*
 
 cd ext/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/decimal.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/uint.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/uuid.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/base64.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/regexp.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/ext/misc/series.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/decimal.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/uint.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/uuid.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/base64.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/regexp.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/ext/misc/series.c"
 cd ~-
 
 cd ../tests/mptest/testdata/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/mptest.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/config01.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/config02.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/crash01.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/crash02.subtest"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/mptest/multiwrite01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/mptest.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/config01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/config02.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/crash01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/crash02.subtest"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/mptest/multiwrite01.test"
 cd ~-
 
 cd ../tests/speedtest1/testdata/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.1/test/speedtest1.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.41.2/test/speedtest1.c"
 cd ~-
\ No newline at end of file
diff --git a/sqlite3/main.c b/sqlite3/main.c
index 813d8e0..755e9e0 100644
--- a/sqlite3/main.c
+++ b/sqlite3/main.c
@@ -25,24 +25,11 @@ int main() {
   int rc = sqlite3_initialize();
   if (rc != SQLITE_OK) return 1;
 
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_base_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_decimal_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_regexp_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_series_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_uint_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_uuid_init);
-  if (rc != SQLITE_OK) return 1;
-
-  rc = sqlite3_auto_extension((void (*)(void))sqlite3_time_init);
-  if (rc != SQLITE_OK) return 1;
+  sqlite3_auto_extension((void (*)(void))sqlite3_base_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_decimal_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_regexp_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_series_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_uint_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_uuid_init);
+  sqlite3_auto_extension((void (*)(void))sqlite3_time_init);
 }
diff --git a/tests/mptest/testdata/build.sh b/tests/mptest/testdata/build.sh
index ae6e9d1..292eca7 100755
--- a/tests/mptest/testdata/build.sh
+++ b/tests/mptest/testdata/build.sh
@@ -3,7 +3,7 @@ set -eo pipefail
 
 cd -P -- "$(dirname -- "$0")"
 
-zig cc --target=wasm32-wasi -flto -g0 -Os \
+zig cc --target=wasm32-wasi -flto -g0 -O2 \
   -o mptest.wasm main.c \
 	-I../../../sqlite3/ \
 	-mmutable-globals \
@@ -14,9 +14,4 @@ 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
-
-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
+	-D_WASI_EMULATED_GETPID -lwasi-emulated-getpid
\ No newline at end of file
diff --git a/tests/mptest/testdata/mptest.wasm b/tests/mptest/testdata/mptest.wasm
old mode 100644
new mode 100755
index 0114f0a..8e0f152
--- 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:af307c3555fcf5f78e07a079d8f099400c3e013508f30f5efbe3b7f259be2092
-size 969309
+oid sha256:eaf30c1ff0cf5acc241c9f7c1ae4c71401ea2be1bd565d67ca913449ef81e542
+size 1630832
diff --git a/tests/speedtest1/testdata/build.sh b/tests/speedtest1/testdata/build.sh
index 5daa5fc..8043a1f 100755
--- a/tests/speedtest1/testdata/build.sh
+++ b/tests/speedtest1/testdata/build.sh
@@ -3,15 +3,10 @@ set -eo pipefail
 
 cd -P -- "$(dirname -- "$0")"
 
-zig cc --target=wasm32-wasi -flto -g0 -Os \
+zig cc --target=wasm32-wasi -flto -g0 -O2 \
   -o speedtest1.wasm main.c \
 	-I../../../sqlite3/ \
 	-mmutable-globals \
 	-mbulk-memory -mreference-types \
 	-mnontrapping-fptoint -msign-ext \
-	-D_HAVE_SQLITE_CONFIG_H
-
-if which wasm-opt; then
-	wasm-opt -g -O -o speedtest1.tmp speedtest1.wasm
-	mv speedtest1.tmp speedtest1.wasm
-fi
\ No newline at end of file
+	-D_HAVE_SQLITE_CONFIG_H
\ No newline at end of file
diff --git a/tests/speedtest1/testdata/speedtest1.wasm b/tests/speedtest1/testdata/speedtest1.wasm
old mode 100644
new mode 100755
index 7440683..b29deb5
--- a/tests/speedtest1/testdata/speedtest1.wasm
+++ b/tests/speedtest1/testdata/speedtest1.wasm
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2058b59b052ce9e3ed74c241f06122e8acfe0b5d4a18f36130e625b34eecd161
-size 1001469
+oid sha256:20619ab46d578da689d08c2e6b1d08b7d4919eb7de20f8220bf3a49014083c87
+size 1676135