diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f301e6..bee0738 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [1.3.6] - 2024-02-08
+## [1.3.7] - 2024-02-08
 
 ### Fixed
 
diff --git a/package.json b/package.json
index 42c12b1..c4e6765 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,6 @@
 {
   "name": "flytax",
-  "version": "1.3.6",
-  "patchVersion": "b",
+  "version": "1.3.7",
   "type": "module",
   "scripts": {
     "build": "rollup -c",
diff --git a/rollup.config.js b/rollup.config.js
index 7529e15..0126021 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -9,7 +9,7 @@ import copy from 'rollup-plugin-copy';
 import replace from '@rollup/plugin-replace';
 const {markdown} = require('svelte-preprocess-markdown');
 const workbox = require('rollup-plugin-workbox-inject');
-import {version, patchVersion} from './package.json';
+import {version} from './package.json';
 import watchAssets from 'rollup-plugin-watch-assets';
 import html from '@open-wc/rollup-plugin-html';
 import {DATASET} from './src/stores';
@@ -27,7 +27,6 @@ const relPath = (url) => url.replace('./', './public/'); // public path for a lo
 
 const U = {
     'APP_VERSION': version,
-    'PATCH_VERSION': patchVersion,
     'process.env.NODE_ENV': (production) ? JSON.stringify('production') : JSON.stringify('development'),
     'CONF_PDFJS_WORKER_JS': 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.4.456/pdf.worker.min.js',
     'CONF_PDFJS_JS': 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.4.456/pdf.min.js',
diff --git a/scripts/makeData.js b/scripts/makeData.js
index 736c94a..5be35de 100644
--- a/scripts/makeData.js
+++ b/scripts/makeData.js
@@ -29,15 +29,13 @@ import fs from 'fs';
 import got from 'got';
 import iconv from 'iconv-lite';
 
-//ugly
-const patchVersion = JSON.parse(fs.readFileSync('package.json', 'utf8')).patchVersion;
-
 const scriptArgs = process.argv.slice(2);
 const year = (scriptArgs.length === 1) ? scriptArgs[0] : new Date().getFullYear().toString();
 const isoStart = `${year}-01-01`;
 const isoEnd = `${year}-12-31`;
 const monthsfr = ['Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin', 'Juillet', 'Août', 'Septembre', 'Octobre', 'Novembre', 'Décembre'];
 const dataPath = `./data/data${year}.json`;
+
 const csvPath = `./data/flytax-baremes${year}.csv`;
 const WebpaysURL = "https://www.economie.gouv.fr/dgfip/fichiers_taux_chancellerie/txt/Webpays";
 const WebmissURL = "https://www.economie.gouv.fr/dgfip/fichiers_taux_chancellerie/txt/Webmiss";
@@ -328,6 +326,10 @@ const save = (data) => {
             log(`Saved ${dataPath}`, "green");
         }
     });
+    let patchVersion = '';
+    if (year === "2023") {
+      patchVersion = 'b'; //also edit stores.js
+    }
     if (patchVersion) {
           const dataPathPatched = dataPath.replace('.json', `${patchVersion}.json`);
           fs.writeFile(dataPathPatched, JSON.stringify(data), (err) => {
diff --git a/src/stores.js b/src/stores.js
index 8042291..1c8b271 100644
--- a/src/stores.js
+++ b/src/stores.js
@@ -7,10 +7,10 @@ export const BASES = [
     {label: "Paris", selected: true, value: ['CDG', 'ORY'], tzConverter: iso2FR},
     {label: "Toulouse", selected: false, value: ['TLS'], tzConverter: iso2FR}
 ].sort((a, b) => (a.label.localeCompare(b.label)));
-const patchVersion = "PATCH_VERSION";
+
 export const DATASET = [
-    {label: "2024", selected: false, url: `./data/data2023${patchVersion}.json`},
-    {label: "2023", selected: true, url: `./data/data2023${patchVersion}.json`},
+    {label: "2024", selected: false, url: `./data/data2023b.json`},
+    {label: "2023", selected: true, url: `./data/data2023b.json`}, // see save method in makeData
     {label: "2022", selected: false, url: "./data/data2022.json"},
     {label: "2021", selected: false, url: "./data/data2021.json"},
     {label: "2020", selected: false, url: "./data/data2020.json"},
diff --git a/src/sw.js b/src/sw.js
index 9c34367..5e96286 100644
--- a/src/sw.js
+++ b/src/sw.js
@@ -41,7 +41,7 @@ registerRoute(
     })
 );
 registerRoute(
-    ({ url }) => url.pathname.match(/\/data\/data[0-9]{4}\.json/),
+    ({ url }) => url.pathname.match(/\/data\/data[0-9]{4}.?\.json/),
     new CacheFirst({
         cacheName: dataCacheName,
         plugins: [