diff --git a/data/hostname/worker01.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker01.euwest.azure.internal.softwareheritage.org.yaml
index 21641629..6937150d 100644
--- a/data/hostname/worker01.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker01.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,4 +1,7 @@
 swh::deploy::worker::instances:
   - swh_loader_git
   - swh_indexer_orchestrator
   - swh_indexer_mimetype
+  - swh_indexer_language
+  - swh_indexer_ctags
+
diff --git a/data/hostname/worker03.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker03.euwest.azure.internal.softwareheritage.org.yaml
index 21641629..6937150d 100644
--- a/data/hostname/worker03.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker03.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,4 +1,7 @@
 swh::deploy::worker::instances:
   - swh_loader_git
   - swh_indexer_orchestrator
   - swh_indexer_mimetype
+  - swh_indexer_language
+  - swh_indexer_ctags
+
diff --git a/data/hostname/worker05.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker05.euwest.azure.internal.softwareheritage.org.yaml
index 21641629..6937150d 100644
--- a/data/hostname/worker05.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker05.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,4 +1,7 @@
 swh::deploy::worker::instances:
   - swh_loader_git
   - swh_indexer_orchestrator
   - swh_indexer_mimetype
+  - swh_indexer_language
+  - swh_indexer_ctags
+
diff --git a/data/hostname/worker07.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/worker07.euwest.azure.internal.softwareheritage.org.yaml
index 21641629..6937150d 100644
--- a/data/hostname/worker07.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker07.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,4 +1,7 @@
 swh::deploy::worker::instances:
   - swh_loader_git
   - swh_indexer_orchestrator
   - swh_indexer_mimetype
+  - swh_indexer_language
+  - swh_indexer_ctags
+