diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 993507ad29..c4c075a667 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+#### 2.15.9 - 21.10.2015
+* USABILITY: If caching fails we should recover - https://github.com/fsprojects/Paket/issues/1152
+
 #### 2.15.8 - 20.10.2015
 * Try to report better error when file is blocked by Firewall - https://github.com/fsprojects/Paket/pull/1155
 
diff --git a/src/Paket.Core/NuGetV2.fs b/src/Paket.Core/NuGetV2.fs
index 1bb79ea263..9311b3b385 100644
--- a/src/Paket.Core/NuGetV2.fs
+++ b/src/Paket.Core/NuGetV2.fs
@@ -304,7 +304,10 @@ let getDetailsFromNuGet force auth nugetURL (packageName:PackageName) (version:S
 
             errorFile.Delete()
             if invalidCache then
-                File.WriteAllText(cacheFile.FullName,JsonConvert.SerializeObject(details))
+                try
+                    File.WriteAllText(cacheFile.FullName,JsonConvert.SerializeObject(details))
+                with
+                | _ -> () // if caching fails we should not fail
             return details
         with
         | exn ->