diff --git a/src/services/LibraryService.js b/src/services/LibraryService.js
index 85ac750f..6af39f27 100644
--- a/src/services/LibraryService.js
+++ b/src/services/LibraryService.js
@@ -72,5 +72,9 @@ export async function create(url, role) {
 export async function synchronize(id, url) {
   const api = await prepareRequest();
 
-  return api.put(`/libraries/${id}`, { url }).then(({ data }) => data);
+  return api.put(`/libraries/${id}`, url, {
+    headers: {
+      'Content-Type': 'text/plain',
+    },
+  }).then(({ data }) => data);
 }
diff --git a/tests/e2e/support/step_definitions/api.js b/tests/e2e/support/step_definitions/api.js
index 10672dd6..91ba909b 100644
--- a/tests/e2e/support/step_definitions/api.js
+++ b/tests/e2e/support/step_definitions/api.js
@@ -875,7 +875,7 @@ function setLibraryIntercepts() {
   });
 
   cy.intercept('PUT', '/api/libraries/1', (request) => {
-    const { url } = request.body;
+    const url = request.body;
 
     if (url === 'notFound') {
       request.reply({
diff --git a/tests/unit/services/LibraryService.test.js b/tests/unit/services/LibraryService.test.js
index 9ba02fa6..869fa26b 100644
--- a/tests/unit/services/LibraryService.test.js
+++ b/tests/unit/services/LibraryService.test.js
@@ -114,7 +114,11 @@ describe('Test: LibraryService', () => {
 
       const result = await LibraryService.synchronize('id', 'url');
 
-      expect(mockPutRequest).toBeCalledWith('/libraries/id', { url: 'url' });
+      expect(mockPutRequest).toBeCalledWith('/libraries/id', 'url', {
+        headers: {
+          'Content-Type': 'text/plain',
+        },
+      });
       expect(result).toEqual({ id: 1 });
     });
   });