diff --git a/tests/test_security_http_basic_optional.py b/tests/test_security_http_basic_optional.py
index 9b6cb6c45..7071f381a 100644
--- a/tests/test_security_http_basic_optional.py
+++ b/tests/test_security_http_basic_optional.py
@@ -38,7 +38,7 @@ def test_security_http_basic_invalid_credentials():
     )
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == "Basic"
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_security_http_basic_non_basic_credentials():
@@ -47,7 +47,7 @@ def test_security_http_basic_non_basic_credentials():
     response = client.get("/users/me", headers={"Authorization": auth_header})
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == "Basic"
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_openapi_schema():
diff --git a/tests/test_security_http_basic_realm.py b/tests/test_security_http_basic_realm.py
index 9fc33971a..ec7371f90 100644
--- a/tests/test_security_http_basic_realm.py
+++ b/tests/test_security_http_basic_realm.py
@@ -36,7 +36,7 @@ def test_security_http_basic_invalid_credentials():
     )
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == 'Basic realm="simple"'
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_security_http_basic_non_basic_credentials():
@@ -45,7 +45,7 @@ def test_security_http_basic_non_basic_credentials():
     response = client.get("/users/me", headers={"Authorization": auth_header})
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == 'Basic realm="simple"'
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_openapi_schema():
diff --git a/tests/test_security_http_basic_realm_description.py b/tests/test_security_http_basic_realm_description.py
index 02122442e..a93d5fc86 100644
--- a/tests/test_security_http_basic_realm_description.py
+++ b/tests/test_security_http_basic_realm_description.py
@@ -36,7 +36,7 @@ def test_security_http_basic_invalid_credentials():
     )
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == 'Basic realm="simple"'
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_security_http_basic_non_basic_credentials():
@@ -45,7 +45,7 @@ def test_security_http_basic_non_basic_credentials():
     response = client.get("/users/me", headers={"Authorization": auth_header})
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == 'Basic realm="simple"'
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_openapi_schema():
diff --git a/tests/test_security_http_bearer.py b/tests/test_security_http_bearer.py
index de4e0427a..961b42f4d 100644
--- a/tests/test_security_http_bearer.py
+++ b/tests/test_security_http_bearer.py
@@ -31,7 +31,7 @@ def test_security_http_bearer_no_credentials():
 def test_security_http_bearer_incorrect_scheme_credentials():
     response = client.get("/users/me", headers={"Authorization": "Basic notreally"})
     assert response.status_code == 401, response.text
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
     assert response.headers["WWW-Authenticate"] == "Bearer"
 
 
diff --git a/tests/test_security_http_bearer_description.py b/tests/test_security_http_bearer_description.py
index f87df5434..e16994abc 100644
--- a/tests/test_security_http_bearer_description.py
+++ b/tests/test_security_http_bearer_description.py
@@ -31,7 +31,7 @@ def test_security_http_bearer_no_credentials():
 def test_security_http_bearer_incorrect_scheme_credentials():
     response = client.get("/users/me", headers={"Authorization": "Basic notreally"})
     assert response.status_code == 401, response.text
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
     assert response.headers["WWW-Authenticate"] == "Bearer"
 
 
diff --git a/tests/test_security_http_digest.py b/tests/test_security_http_digest.py
index a195430d2..3fad4c7a5 100644
--- a/tests/test_security_http_digest.py
+++ b/tests/test_security_http_digest.py
@@ -33,7 +33,7 @@ def test_security_http_digest_incorrect_scheme_credentials():
         "/users/me", headers={"Authorization": "Other invalidauthorization"}
     )
     assert response.status_code == 401, response.text
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
     assert response.headers["WWW-Authenticate"] == "Digest"
 
 
diff --git a/tests/test_security_http_digest_description.py b/tests/test_security_http_digest_description.py
index 0ced8494e..319416a07 100644
--- a/tests/test_security_http_digest_description.py
+++ b/tests/test_security_http_digest_description.py
@@ -33,7 +33,7 @@ def test_security_http_digest_incorrect_scheme_credentials():
         "/users/me", headers={"Authorization": "Other invalidauthorization"}
     )
     assert response.status_code == 401, response.text
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
     assert response.headers["WWW-Authenticate"] == "Digest"
 
 
diff --git a/tests/test_tutorial/test_security/test_tutorial003.py b/tests/test_tutorial/test_security/test_tutorial003.py
index 2bbb2e851..6b8735113 100644
--- a/tests/test_tutorial/test_security/test_tutorial003.py
+++ b/tests/test_tutorial/test_security/test_tutorial003.py
@@ -66,7 +66,7 @@ def test_token(client: TestClient):
 def test_incorrect_token(client: TestClient):
     response = client.get("/users/me", headers={"Authorization": "Bearer nonexistent"})
     assert response.status_code == 401, response.text
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
     assert response.headers["WWW-Authenticate"] == "Bearer"
 
 
diff --git a/tests/test_tutorial/test_security/test_tutorial006.py b/tests/test_tutorial/test_security/test_tutorial006.py
index 40b413806..9587159dc 100644
--- a/tests/test_tutorial/test_security/test_tutorial006.py
+++ b/tests/test_tutorial/test_security/test_tutorial006.py
@@ -41,7 +41,7 @@ def test_security_http_basic_invalid_credentials(client: TestClient):
     )
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == "Basic"
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_security_http_basic_non_basic_credentials(client: TestClient):
@@ -50,7 +50,7 @@ def test_security_http_basic_non_basic_credentials(client: TestClient):
     response = client.get("/users/me", headers={"Authorization": auth_header})
     assert response.status_code == 401, response.text
     assert response.headers["WWW-Authenticate"] == "Basic"
-    assert response.json() == {"detail": "Invalid authentication credentials"}
+    assert response.json() == {"detail": "Not authenticated"}
 
 
 def test_openapi_schema(client: TestClient):