diff --git a/nixos/tests/matrix/conduit.nix b/nixos/tests/matrix/conduit.nix
index 02bf00886ba4..059f1ce4f09b 100644
--- a/nixos/tests/matrix/conduit.nix
+++ b/nixos/tests/matrix/conduit.nix
@@ -77,7 +77,7 @@ in
                 # Close the client
                 await client.close()
 
-            asyncio.get_event_loop().run_until_complete(main())
+            asyncio.run(main())
           '')
         ];
       };
diff --git a/nixos/tests/matrix/dendrite.nix b/nixos/tests/matrix/dendrite.nix
index 0d5129e553d5..a35675bfde3e 100644
--- a/nixos/tests/matrix/dendrite.nix
+++ b/nixos/tests/matrix/dendrite.nix
@@ -77,7 +77,7 @@ in
                 # Close the client
                 await client.close()
 
-            asyncio.get_event_loop().run_until_complete(main())
+            asyncio.run(main())
           '')
         ];
       };