diff --git a/Microsoft.WindowsAzure.Storage/src/shared_access_signature.cpp b/Microsoft.WindowsAzure.Storage/src/shared_access_signature.cpp
index da2ee9d7..3e4e69c3 100644
--- a/Microsoft.WindowsAzure.Storage/src/shared_access_signature.cpp
+++ b/Microsoft.WindowsAzure.Storage/src/shared_access_signature.cpp
@@ -115,12 +115,6 @@ namespace azure { namespace storage { namespace protocol {
             splitted_query.erase(remove_param);
         }
 
-        auto signed_resource = splitted_query.find(protocol::uri_query_sas_resource);
-        if (require_signed_resource && signed_resource == splitted_query.end())
-        {
-            throw std::invalid_argument(protocol::error_missing_params_for_sas);
-        }
-
         web::http::uri_builder builder;
         for (auto iter = splitted_query.cbegin(); iter != splitted_query.cend(); ++iter)
         {
diff --git a/README.md b/README.md
index 5f017a08..74bf6436 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ To build with source code, there are three ways to install dependencies:
     Because Casablanca does not release NuGet packages anywhere anymore, Starting from 5.1.0, this repository cannot be built with pre-built Casablanca NuGet packages. However, you can export your own version of Casablanca NuGet packages to install dependencies of this project:
     ```BatchFile
     C:\src\vcpkg> .\vcpkg install cpprestsdk
-    C:\src\vcpkg> .\vcpkg export --nuget cpprestsdk --nuget-id=Casablanca --nuget-version=2.10.16
+    C:\src\vcpkg> .\vcpkg export --nuget cpprestsdk --nuget-id=Casablanca --nuget-version=2.10.18
     ```
 
 - Manage dependencies by yourself
@@ -131,7 +131,7 @@ The validated Casablanca version for each major or recent release on different p
 | 7.3.0                       | 2.10.15                        | 2.10.15                      |
 | 7.3.1                       | 2.10.15                        | 2.10.15                      |
 | 7.4.0                       | 2.10.16                        | 2.10.16                      |
-| 7.5.0                       | 2.10.16                        | 2.10.16                      |
+| 7.5.0                       | 2.10.18                        | 2.10.18                      |
 
 ## Code Samples
 
@@ -226,7 +226,7 @@ git clone https://github.com/Microsoft/cpprestsdk.git
 
 - Checkout the version on which Azure Storage Client Library for C++ depends:
 ```bash
-git checkout tags/v2.10.16 -b v2.10.16
+git checkout tags/v2.10.18 -b v2.10.18
 ```
 
 - Build the project in Release mode
@@ -334,7 +334,7 @@ git clone https://github.com/Microsoft/cpprestsdk.git
 - Checkout the version on which Azure Storage Client Library for C++ depends:
 ```bash
 cd cpprestsdk
-git checkout tags/v2.10.16 -b v2.10.16
+git checkout tags/v2.10.18 -b v2.10.18
 ```
 
 - Build the project in Release mode