diff --git a/.gitignore b/.gitignore
index 3a74861..5931ebe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,5 +76,6 @@ data/
 # custom Sentry config
 sentry/sentry.conf.py
 sentry/config.yml
+sentry/*.bak
 sentry/requirements.txt
 relay/credentials.json
diff --git a/install.sh b/install.sh
index 7185220..458782e 100755
--- a/install.sh
+++ b/install.sh
@@ -107,6 +107,45 @@ if grep -xq "system.secret-key: '!!changeme!!'" $SENTRY_CONFIG_YML ; then
     echo "Secret key written to $SENTRY_CONFIG_YML"
 fi
 
+replace_tsdb() {
+    if (
+        [ -f "$SENTRY_CONFIG_PY" ] &&
+        ! grep -xq 'SENTRY_TSDB = "sentry.tsdb.redissnuba.RedisSnubaTSDB"' "$SENTRY_CONFIG_PY"
+    ); then
+        tsdb_settings="SENTRY_TSDB = \"sentry.tsdb.redissnuba.RedisSnubaTSDB\"
+
+# Automatic switchover 90 days after $(date). Can be removed afterwards.
+SENTRY_TSDB_OPTIONS = {\"switchover_timestamp\": $(date +%s) + (90 * 24 * 3600)}"
+
+        if grep -q 'SENTRY_TSDB_OPTIONS = ' "$SENTRY_CONFIG_PY"; then
+            echo "Not attempting automatic TSDB migration due to presence of SENTRY_TSDB_OPTIONS"
+        else
+            echo "Attempting to automatically migrate to new TSDB"
+            # Escape newlines for sed
+            tsdb_settings="${tsdb_settings//$'\n'/\\n}"
+            cp "$SENTRY_CONFIG_PY" "$SENTRY_CONFIG_PY.bak"
+            sed -i -e "s/^SENTRY_TSDB = .*$/${tsdb_settings}/g" "$SENTRY_CONFIG_PY" || true
+
+            if grep -xq 'SENTRY_TSDB = "sentry.tsdb.redissnuba.RedisSnubaTSDB"' "$SENTRY_CONFIG_PY"; then
+                echo "Migrated TSDB to Snuba. Old configuration file backed up to $SENTRY_CONFIG_PY.bak"
+                return
+            fi
+
+            echo "Failed to automatically migrate TSDB. Reverting..."
+            mv "$SENTRY_CONFIG_PY.bak" "$SENTRY_CONFIG_PY"
+            echo "$SENTRY_CONFIG_PY restored from backup."
+        fi
+
+        echo "WARN: Your Sentry configuration uses a legacy data store for time-series data. Remove the options SENTRY_TSDB and SENTRY_TSDB_OPTIONS from $SENTRY_CONFIG_PY and add:"
+        echo ""
+        echo "$tsdb_settings"
+        echo ""
+        echo "For more information please refer to https://github.com/getsentry/onpremise/pull/430"
+    fi
+}
+
+replace_tsdb
+
 echo ""
 echo "Fetching and updating Docker images..."
 echo ""