diff --git a/VERSION b/VERSION
index 9e58939672daeb8cea6be7b05f8ecdbb4ce4587c..efb374c7042eab67d69f9ab9ad3cb2808f9ad640 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.7.1-rc3
+1.7.1-rc4
diff --git a/arkindex/system_workers.yml b/arkindex/system_workers.yml
index 55968bf0d7e607883a8c129c13a87a0b5f81ddba..64c28ea617ce256801d8b3aecd7cc636c762fb66 100644
--- a/arkindex/system_workers.yml
+++ b/arkindex/system_workers.yml
@@ -1,7 +1,7 @@
 # When releasing Arkindex, check that the Docker images set here are up to date,
 # then update the `version` to the current Arkindex version as set in the `VERSION` file
 # to confirm that the images have been manually checked.
-version: 1.7.1-rc3
+version: 1.7.1-rc4
 
 features:
     file_import: