diff --git a/changelog.d/12731.misc b/changelog.d/12731.misc
new file mode 100644
index 000000000000..962100d516c1
--- /dev/null
+++ b/changelog.d/12731.misc
@@ -0,0 +1 @@
+Update configs used by Complement to allow more invites/3PID validations during tests.
\ No newline at end of file
diff --git a/docker/complement/conf-workers/workers-shared.yaml b/docker/complement/conf-workers/workers-shared.yaml
index 8b6987037715..86ee11ecd0e5 100644
--- a/docker/complement/conf-workers/workers-shared.yaml
+++ b/docker/complement/conf-workers/workers-shared.yaml
@@ -53,6 +53,18 @@ rc_joins:
     per_second: 9999
     burst_count: 9999
 
+rc_3pid_validation:
+  per_second: 1000
+  burst_count: 1000
+
+rc_invites:
+  per_room:
+    per_second: 1000
+    burst_count: 1000
+  per_user:
+    per_second: 1000
+    burst_count: 1000
+
 federation_rr_transactions_per_room_per_second: 9999
 
 ## Experimental Features ##
diff --git a/docker/complement/conf/homeserver.yaml b/docker/complement/conf/homeserver.yaml
index 174f87f52ee0..e2be540bbb9e 100644
--- a/docker/complement/conf/homeserver.yaml
+++ b/docker/complement/conf/homeserver.yaml
@@ -87,6 +87,18 @@ rc_joins:
     per_second: 9999
     burst_count: 9999
 
+rc_3pid_validation:
+  per_second: 1000
+  burst_count: 1000
+
+rc_invites:
+  per_room:
+    per_second: 1000
+    burst_count: 1000
+  per_user:
+    per_second: 1000
+    burst_count: 1000
+
 federation_rr_transactions_per_room_per_second: 9999
 
 ## API Configuration ##