diff --git a/changelog.d/3-bug-fixes/WPB-5330 b/changelog.d/3-bug-fixes/WPB-5330
new file mode 100644
index 00000000000..fafbef2190c
--- /dev/null
+++ b/changelog.d/3-bug-fixes/WPB-5330
@@ -0,0 +1 @@
+Updating tests to fix an issue calling `mls-test-cli`
\ No newline at end of file
diff --git a/integration/test/MLS/Util.hs b/integration/test/MLS/Util.hs
index 10dbd41724a..68feacee6db 100644
--- a/integration/test/MLS/Util.hs
+++ b/integration/test/MLS/Util.hs
@@ -724,7 +724,7 @@ createApplicationMessage cid messageContent = do
   message <-
     mlscli
       cid
-      ["message", "--group-in", "<group-in>", messageContent, "--group-out", "<group-out>"]
+      ["message", "--group", "<group-in>", messageContent]
       Nothing
 
   pure
diff --git a/libs/wire-api/test/unit/Test/Wire/API/MLS.hs b/libs/wire-api/test/unit/Test/Wire/API/MLS.hs
index 74652d86628..efd3fa48a58 100644
--- a/libs/wire-api/test/unit/Test/Wire/API/MLS.hs
+++ b/libs/wire-api/test/unit/Test/Wire/API/MLS.hs
@@ -123,7 +123,7 @@ testParseApplication = do
   msgData <- withSystemTempDirectory "mls" $ \tmp -> do
     void $ spawn (cli qcid tmp ["init", qcid]) Nothing
     groupJSON <- spawn (cli qcid tmp ["group", "create", "Zm9v"]) Nothing
-    spawn (cli qcid tmp ["message", "--group-in", "-", "hello"]) (Just groupJSON)
+    spawn (cli qcid tmp ["message", "--group", "-", "hello"]) (Just groupJSON)
 
   msg <- case decodeMLS' @Message msgData of
     Left err -> assertFailure (T.unpack err)
diff --git a/services/galley/test/integration/API/MLS/Util.hs b/services/galley/test/integration/API/MLS/Util.hs
index f15e326db3f..435c4f0c6a8 100644
--- a/services/galley/test/integration/API/MLS/Util.hs
+++ b/services/galley/test/integration/API/MLS/Util.hs
@@ -647,7 +647,7 @@ createApplicationMessage cid messageContent = do
   message <-
     mlscli
       cid
-      ["message", "--group-in", "<group-in>", messageContent, "--group-out", "<group-out>"]
+      ["message", "--group", "<group-in>", messageContent]
       Nothing
 
   pure $