diff --git a/src/contrib/cashu-ts/dist/lib/es5/base64.js b/src/contrib/cashu-ts/dist/lib/es5/base64.js
index f5132264..aa7dea9b 100644
--- a/src/contrib/cashu-ts/dist/lib/es5/base64.js
+++ b/src/contrib/cashu-ts/dist/lib/es5/base64.js
@@ -7,7 +7,11 @@ function encodeUint8toBase64(uint8array) {
 }
 exports.encodeUint8toBase64 = encodeUint8toBase64;
 function encodeUint8toBase64Url(bytes) {
-    return buffer_1.Buffer.from(bytes).toString('base64url').replace(/\=+$/, '');
+    return buffer_1.Buffer.from(bytes)
+        .toString('base64')
+        .replace(/\+/g, '-') // Replace + with -
+        .replace(/\//g, '_') // Replace / with _
+        .replace(/=+$/, ''); // Remove padding characters
 }
 exports.encodeUint8toBase64Url = encodeUint8toBase64Url;
 function encodeBase64toUint8(base64String) {
diff --git a/src/contrib/cashu-ts/dist/lib/es6/base64.js b/src/contrib/cashu-ts/dist/lib/es6/base64.js
index b82ef9aa..5061df29 100644
--- a/src/contrib/cashu-ts/dist/lib/es6/base64.js
+++ b/src/contrib/cashu-ts/dist/lib/es6/base64.js
@@ -3,7 +3,11 @@ function encodeUint8toBase64(uint8array) {
     return Buffer.from(uint8array).toString('base64');
 }
 function encodeUint8toBase64Url(bytes) {
-    return Buffer.from(bytes).toString('base64url').replace(/\=+$/, '');
+    return Buffer.from(bytes)
+        .toString('base64')
+        .replace(/\+/g, '-') // Replace + with -
+        .replace(/\//g, '_') // Replace / with _
+        .replace(/=+$/, ''); // Remove padding characters
 }
 function encodeBase64toUint8(base64String) {
     return Buffer.from(base64String, 'base64');
diff --git a/src/contrib/cashu-ts/dist/lib/es6/base64.js.map b/src/contrib/cashu-ts/dist/lib/es6/base64.js.map
index a357a150..7452dbb9 100644
--- a/src/contrib/cashu-ts/dist/lib/es6/base64.js.map
+++ b/src/contrib/cashu-ts/dist/lib/es6/base64.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"base64.js","sourceRoot":"","sources":["../../../src/base64.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,MAAM,EAAE,MAAM,QAAQ,CAAC;AAEhC,SAAS,mBAAmB,CAAC,UAAsB;IAClD,OAAO,MAAM,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC;AACnD,CAAC;AAED,SAAS,sBAAsB,CAAC,KAAiB;IAChD,OAAO,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC;SACvB,QAAQ,CAAC,QAAQ,CAAC;SAClB,OAAO,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC,mBAAmB;SACvC,OAAO,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC,mBAAmB;SACvC,OAAO,CAAC,KAAK,EAAE,EAAE,CAAC,CAAC,CAAC,4BAA4B;AACnD,CAAC;AAED,SAAS,mBAAmB,CAAC,YAAoB;IAChD,OAAO,MAAM,CAAC,IAAI,CAAC,YAAY,EAAE,QAAQ,CAAC,CAAC;AAC5C,CAAC;AAED,SAAS,kBAAkB,CAAC,OAAgB;IAC3C,IAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,OAAO,CAAC,CAAC;IAC3C,OAAO,mBAAmB,CAAC,MAAM,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,QAAQ,CAAC,QAAQ,CAAC,CAAC,CAAC;AACxE,CAAC;AAED,SAAS,kBAAkB,CAAmB,YAAoB;IACjE,IAAM,UAAU,GAAG,MAAM,CAAC,IAAI,CAAC,iBAAiB,CAAC,YAAY,CAAC,EAAE,QAAQ,CAAC,CAAC,QAAQ,EAAE,CAAC;IACrF,IAAM,OAAO,GAAG,IAAI,CAAC,KAAK,CAAC,UAAU,CAAM,CAAC;IAC5C,OAAO,OAAO,CAAC;AAChB,CAAC;AAED,SAAS,iBAAiB,CAAC,GAAW;IACrC,OAAO,GAAG,CAAC,OAAO,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,OAAO,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC;IAC/D,uBAAuB;AACxB,CAAC;AAED,SAAS,mBAAmB,CAAC,GAAW;IACvC,OAAO,GAAG,CAAC,OAAO,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC,OAAO,CAAC,KAAK,EAAE,GAAG,CAAC,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC;IACjE,uBAAuB;AACxB,CAAC;AAED,OAAO,EACN,mBAAmB,EACnB,sBAAsB,EACtB,mBAAmB,EACnB,kBAAkB,EAClB,kBAAkB,EAClB,CAAC"}
\ No newline at end of file