diff --git a/docs/openapi.json b/docs/openapi.json
index 0a003dba..a398f4f0 100644
--- a/docs/openapi.json
+++ b/docs/openapi.json
@@ -3,7 +3,7 @@
   "info": {
     "description": "Submit workflows to be run on REANA Cloud",
     "title": "REANA Server",
-    "version": "0.9.1a2"
+    "version": "0.9.1a3"
   },
   "parameters": {},
   "paths": {
diff --git a/reana_server/version.py b/reana_server/version.py
index eb01cc53..3cb86a22 100644
--- a/reana_server/version.py
+++ b/reana_server/version.py
@@ -14,4 +14,4 @@
 
 from __future__ import absolute_import, print_function
 
-__version__ = "0.9.1a2"
+__version__ = "0.9.1a3"