diff --git a/.github/workflows/repro.sh b/.github/workflows/repro.sh
index 290c555..f9a2b4d 100755
--- a/.github/workflows/repro.sh
+++ b/.github/workflows/repro.sh
@@ -2,13 +2,13 @@
 set -euo pipefail
 
 if [[ "$OSTYPE" == "linux"* ]]; then
-  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz"
+  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-21/wasi-sdk-21.0-linux.tar.gz"
   BINARYEN="https://github.com/WebAssembly/binaryen/releases/download/version_116/binaryen-version_116-x86_64-linux.tar.gz"
 elif [[ "$OSTYPE" == "darwin"* ]]; then
-  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-macos.tar.gz"
+  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-21/wasi-sdk-21.0-macos.tar.gz"
   BINARYEN="https://github.com/WebAssembly/binaryen/releases/download/version_116/binaryen-version_116-x86_64-macos.tar.gz"
 elif [[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]]; then
-  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0.m-mingw.tar.gz"
+  WASI_SDK="https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-21/wasi-sdk-21.0.m-mingw.tar.gz"
   BINARYEN="https://github.com/WebAssembly/binaryen/releases/download/version_116/binaryen-version_116-x86_64-windows.tar.gz"
 fi
 
diff --git a/embed/build.sh b/embed/build.sh
index a0ece88..615a2d0 100755
--- a/embed/build.sh
+++ b/embed/build.sh
@@ -5,7 +5,7 @@ cd -P -- "$(dirname -- "$0")"
 
 ROOT=../
 BINARYEN="$ROOT/tools/binaryen-version_116/bin"
-WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
+WASI_SDK="$ROOT/tools/wasi-sdk-21.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \
 	-o sqlite3.wasm "$ROOT/sqlite3/main.c" \
diff --git a/embed/sqlite3.wasm b/embed/sqlite3.wasm
index b65fcd1..0b73eba 100755
Binary files a/embed/sqlite3.wasm and b/embed/sqlite3.wasm differ
diff --git a/vfs/tests/mptest/testdata/build.sh b/vfs/tests/mptest/testdata/build.sh
index 6d4e0ee..34150e3 100755
--- a/vfs/tests/mptest/testdata/build.sh
+++ b/vfs/tests/mptest/testdata/build.sh
@@ -5,7 +5,7 @@ cd -P -- "$(dirname -- "$0")"
 
 ROOT=../../../../
 BINARYEN="$ROOT/tools/binaryen-version_116/bin"
-WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
+WASI_SDK="$ROOT/tools/wasi-sdk-21.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \
   -o mptest.wasm main.c \
diff --git a/vfs/tests/mptest/testdata/mptest.wasm.bz2 b/vfs/tests/mptest/testdata/mptest.wasm.bz2
index 540fbbe..091f202 100644
--- a/vfs/tests/mptest/testdata/mptest.wasm.bz2
+++ b/vfs/tests/mptest/testdata/mptest.wasm.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8d26f7fa2d68ba43e7d36433cfb875586f2bf7b4244ec5f97d031d042688b28d
-size 512278
+oid sha256:91dade19dcd4509f47cb09f16af0cdf7eb2b09cef0e43a0e1ee380629a8c9778
+size 512403
diff --git a/vfs/tests/speedtest1/testdata/build.sh b/vfs/tests/speedtest1/testdata/build.sh
index f9ee57b..ad24c78 100755
--- a/vfs/tests/speedtest1/testdata/build.sh
+++ b/vfs/tests/speedtest1/testdata/build.sh
@@ -5,7 +5,7 @@ cd -P -- "$(dirname -- "$0")"
 
 ROOT=../../../../
 BINARYEN="$ROOT/tools/binaryen-version_116/bin"
-WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
+WASI_SDK="$ROOT/tools/wasi-sdk-21.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \
 	-o speedtest1.wasm main.c \
diff --git a/vfs/tests/speedtest1/testdata/speedtest1.wasm.bz2 b/vfs/tests/speedtest1/testdata/speedtest1.wasm.bz2
index f65c440..3f99287 100644
--- a/vfs/tests/speedtest1/testdata/speedtest1.wasm.bz2
+++ b/vfs/tests/speedtest1/testdata/speedtest1.wasm.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3c581db6af92832b16476c0b0d8bbdd18211f11712dcf5b7b728f24397fadfea
-size 526471
+oid sha256:ff3c4ed5a8579206a2e48c4f8e72f483288f8b113b4664e92cb308a977556a42
+size 526453