diff --git a/.changeset/gorgeous-timers-cover.md b/.changeset/gorgeous-timers-cover.md
new file mode 100644
index 0000000000..de71d740c0
--- /dev/null
+++ b/.changeset/gorgeous-timers-cover.md
@@ -0,0 +1,5 @@
+---
+'@backstage/techdocs-common': patch
+---
+
+Fix openStack swift publisher encoding issue. Remove utf8 forced encoding on binary files
diff --git a/packages/techdocs-common/src/stages/publish/openStackSwift.ts b/packages/techdocs-common/src/stages/publish/openStackSwift.ts
index 18944b5605..6be8539aa9 100644
--- a/packages/techdocs-common/src/stages/publish/openStackSwift.ts
+++ b/packages/techdocs-common/src/stages/publish/openStackSwift.ts
@@ -156,7 +156,7 @@ export class OpenStackSwiftPublish implements PublisherBase {
         const uploadFile = limiter(
           () =>
             new Promise((res, rej) => {
-              const readStream = fs.createReadStream(filePath, 'utf8');
+              const readStream = fs.createReadStream(filePath);
 
               const writeStream = this.storageClient.upload(params);