diff --git a/upgrade/check.sh b/upgrade/check.sh
new file mode 100755
index 0000000..70e55eb
--- /dev/null
+++ b/upgrade/check.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+CURRENT_VERSION=$(grep '#define SQLITE_VERSION ' sqlite3-binding.c | grep -o '[0-9]*\.[0-9]*\.[0-9]*')
+
+if [ -z "$CURRENT_VERSION" ]; then
+  echo "Error: Could not extract current SQLite version from sqlite3-binding.c"
+  exit 1
+fi
+
+LATEST_VERSION=$(curl -fsSL https://www.sqlite.org/download.html \
+  | grep -o 'sqlite-amalgamation-[0-9]*\.zip' \
+  | head -n 1 \
+  | sed 's/sqlite-amalgamation-\([0-9]\)\([0-9][0-9]\)\([0-9][0-9]\)[0-9][0-9]\.zip/\1.\2.\3/' \
+  | sed 's/\.0*\([0-9]\)/.\1/g')
+
+if [ -z "$LATEST_VERSION" ]; then
+  echo "Error: Could not extract latest SQLite version from sqlite.org"
+  exit 1
+fi
+
+echo "Current version: $CURRENT_VERSION"
+echo "Latest version:  $LATEST_VERSION"
+
+if [ "$CURRENT_VERSION" = "$LATEST_VERSION" ]; then
+  echo "Already up to date."
+  exit 0
+fi
+
+echo "Upgrade available: $CURRENT_VERSION -> $LATEST_VERSION"
+echo "Run upgrade/upgrade.sh to upgrade."
+exit 1