diff --git a/embed/README.md b/embed/README.md
index 346a4e3..67af297 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 3.50.3 for use with
+This folder includes an embeddable Wasm build of SQLite 3.50.4 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/bcw2/bcw2.wasm b/embed/bcw2/bcw2.wasm
index 40b26d8..6ab07ca 100755
Binary files a/embed/bcw2/bcw2.wasm and b/embed/bcw2/bcw2.wasm differ
diff --git a/embed/init_test.go b/embed/init_test.go
index b15765b..30b63f8 100644
--- a/embed/init_test.go
+++ b/embed/init_test.go
@@ -19,7 +19,7 @@ func Test_init(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if version != "3.50.3" {
+	if version != "3.50.4" {
 		t.Error(version)
 	}
 }
diff --git a/embed/sqlite3.wasm b/embed/sqlite3.wasm
index dac29da..f8c8f5f 100755
Binary files a/embed/sqlite3.wasm and b/embed/sqlite3.wasm differ
diff --git a/sqlite3/busy_timeout.patch b/sqlite3/busy_timeout.patch
index 866a499..7707b8d 100644
--- a/sqlite3/busy_timeout.patch
+++ b/sqlite3/busy_timeout.patch
@@ -2,7 +2,7 @@
 # handle, and interrupt, sqlite3_busy_timeout.
 --- sqlite3.c.orig
 +++ sqlite3.c
-@@ -184447,7 +184447,7 @@
+@@ -184474,7 +184474,7 @@
    if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;
  #endif
    if( ms>0 ){
diff --git a/sqlite3/download.sh b/sqlite3/download.sh
index dc30843..b510b1f 100755
--- a/sqlite3/download.sh
+++ b/sqlite3/download.sh
@@ -3,7 +3,7 @@ set -euo pipefail
 
 cd -P -- "$(dirname -- "$0")"
 
-curl -#OL "https://sqlite.org/2025/sqlite-amalgamation-3500300.zip"
+curl -#OL "https://sqlite.org/2025/sqlite-amalgamation-3500400.zip"
 unzip -d . sqlite-amalgamation-*.zip
 mv sqlite-amalgamation-*/sqlite3.c .
 mv sqlite-amalgamation-*/sqlite3.h .
@@ -19,30 +19,30 @@ rm -rf sqlite-amalgamation-*
 
 mkdir -p ext/
 cd ext/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/anycollseq.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/base64.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/decimal.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/ieee754.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/regexp.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/series.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/spellfix.c"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/ext/misc/uint.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/anycollseq.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/base64.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/decimal.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/ieee754.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/regexp.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/series.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/spellfix.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/ext/misc/uint.c"
 cd ~-
 
 cd ../vfs/tests/mptest/testdata/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/config01.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/config02.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/crash01.test"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/crash02.subtest"
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/multiwrite01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/config01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/config02.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/crash01.test"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/crash02.subtest"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/multiwrite01.test"
 cd ~-
 
 cd ../vfs/tests/mptest/wasm/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/mptest/mptest.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/mptest/mptest.c"
 cd ~-
 
 cd ../vfs/tests/speedtest1/wasm/
-curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.3/test/speedtest1.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.50.4/test/speedtest1.c"
 cd ~-
 
 cat *.patch | patch -p0 --no-backup-if-mismatch
\ No newline at end of file
diff --git a/sqlite3/vfs_find.patch b/sqlite3/vfs_find.patch
index ff4a4b6..ef01eea 100644
--- a/sqlite3/vfs_find.patch
+++ b/sqlite3/vfs_find.patch
@@ -1,7 +1,7 @@
 # Remove VFS registration. Go handles it.
 --- sqlite3.c.orig
 +++ sqlite3.c
-@@ -26882,7 +26882,7 @@
+@@ -26884,7 +26884,7 @@
    sqlite3_free(p);
    return sqlite3_os_init();
  }
@@ -10,7 +10,7 @@
  /*
  ** The list of all registered VFS implementations.
  */
-@@ -26979,7 +26979,7 @@
+@@ -26981,7 +26981,7 @@
    sqlite3_mutex_leave(mutex);
    return SQLITE_OK;
  }
diff --git a/util/sql3util/wasm/sql3parse_table.wasm b/util/sql3util/wasm/sql3parse_table.wasm
index f7dc0cd..996541e 100755
Binary files a/util/sql3util/wasm/sql3parse_table.wasm and b/util/sql3util/wasm/sql3parse_table.wasm differ
diff --git a/vfs/tests/mptest/wasm/mptest.wasm b/vfs/tests/mptest/wasm/mptest.wasm
index 0c47c83..e032dd1 100644
Binary files a/vfs/tests/mptest/wasm/mptest.wasm and b/vfs/tests/mptest/wasm/mptest.wasm differ
diff --git a/vfs/tests/speedtest1/wasm/speedtest1.wasm b/vfs/tests/speedtest1/wasm/speedtest1.wasm
index e520e5c..55d61b0 100644
Binary files a/vfs/tests/speedtest1/wasm/speedtest1.wasm and b/vfs/tests/speedtest1/wasm/speedtest1.wasm differ