diff --git a/ProjectPlugins/CodexClient/CodexNode.cs b/ProjectPlugins/CodexClient/CodexNode.cs
index a3fffed4..40293da4 100644
--- a/ProjectPlugins/CodexClient/CodexNode.cs
+++ b/ProjectPlugins/CodexClient/CodexNode.cs
@@ -389,7 +389,7 @@ namespace CodexClient
 
         public void WaitUntilQuotaUsedIncreased(CodexSpace startSpace, ByteSize expectedIncreaseOfQuotaUsed)
         {
-            WaitUntilQuotaUsedIncreased(startSpace, expectedIncreaseOfQuotaUsed, TimeSpan.FromMinutes(10));
+            WaitUntilQuotaUsedIncreased(startSpace, expectedIncreaseOfQuotaUsed, TimeSpan.FromMinutes(30));
         }
 
         public void WaitUntilQuotaUsedIncreased(
diff --git a/Tests/CodexReleaseTests/DataTests/SwarmTest.cs b/Tests/CodexReleaseTests/DataTests/SwarmTest.cs
index 473653e4..eaec177e 100644
--- a/Tests/CodexReleaseTests/DataTests/SwarmTest.cs
+++ b/Tests/CodexReleaseTests/DataTests/SwarmTest.cs
@@ -89,7 +89,7 @@ namespace CodexReleaseTests.DataTests
                     var file = remaining.PickOneRandom();
                     try
                     {
-                        var dl = node.DownloadContent(file.Cid);
+                        var dl = node.DownloadContent(file.Cid, TimeSpan.FromMinutes(30));
                         lock (file.Lock)
                         {
                             file.Downloaded.Add(dl);
diff --git a/Tests/CodexReleaseTests/MarketTests/FailTest.cs b/Tests/CodexReleaseTests/MarketTests/FailTest.cs
index dc278bcd..9c5308be 100644
--- a/Tests/CodexReleaseTests/MarketTests/FailTest.cs
+++ b/Tests/CodexReleaseTests/MarketTests/FailTest.cs
@@ -68,7 +68,7 @@ namespace CodexReleaseTests.MarketTests
 
         private IStoragePurchaseContract CreateStorageRequest(ICodexNode client)
         {
-            var cid = client.UploadFile(GenerateTestFile(5.MB()));
+            var cid = client.UploadFile(GenerateTestFile(3.MB()));
             return client.Marketplace.RequestStorage(new StoragePurchaseRequest(cid)
             {
                 Duration = HostAvailabilityMaxDuration / 2,
diff --git a/Tests/CodexReleaseTests/MarketTests/FinishTest.cs b/Tests/CodexReleaseTests/MarketTests/FinishTest.cs
index 6e591929..5b316075 100644
--- a/Tests/CodexReleaseTests/MarketTests/FinishTest.cs
+++ b/Tests/CodexReleaseTests/MarketTests/FinishTest.cs
@@ -12,7 +12,7 @@ namespace CodexReleaseTests.MarketTests
         public FinishTest(int hosts, int slots, int tolerance)
         {
             this.hosts = hosts;
-            purchaseParams = new PurchaseParams(slots, tolerance, uploadFilesize: 10.MB());
+            purchaseParams = new PurchaseParams(slots, tolerance, uploadFilesize: 3.MB());
         }
 
         private readonly TestToken pricePerBytePerSecond = 10.TstWei();
diff --git a/Tests/CodexReleaseTests/MarketTests/StartTest.cs b/Tests/CodexReleaseTests/MarketTests/StartTest.cs
index 18008138..d3272347 100644
--- a/Tests/CodexReleaseTests/MarketTests/StartTest.cs
+++ b/Tests/CodexReleaseTests/MarketTests/StartTest.cs
@@ -11,7 +11,7 @@ namespace CodexReleaseTests.MarketTests
         private readonly PurchaseParams purchaseParams = new PurchaseParams(
             nodes: 3,
             tolerance: 1,
-            uploadFilesize: 10.MB()
+            uploadFilesize: 3.MB()
         );
         private readonly TestToken pricePerBytePerSecond = 10.TstWei();