diff --git a/.changeset/chubby-donkeys-wonder.md b/.changeset/chubby-donkeys-wonder.md
new file mode 100644
index 0000000..9331564
--- /dev/null
+++ b/.changeset/chubby-donkeys-wonder.md
@@ -0,0 +1,5 @@
+---
+"@powersync/sql-js": patch
+---
+
+Update PowerSync core extension to 0.4.5
diff --git a/build.sh b/build.sh
index 98a9ac8..3b4ca56 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 set -e
 
-POWERSYNC_CORE_VERSION="0.4.4"
+POWERSYNC_CORE_VERSION="0.4.5"
 SQLITE_PATH="sql.js"
 
 if [ -d "$SQLITE_PATH" ]; then