diff --git a/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj b/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
index 9a65492b..dbcee05d 100644
--- a/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
+++ b/source/nanoFramework.System.Net.Http-client/System.Net.Http-client.nfproj
@@ -44,7 +44,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.1.0\lib\nanoFramework.System.Text.dll">
@@ -152,8 +152,8 @@
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.0.1.5, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/source/nanoFramework.System.Net.Http-client/packages.config b/source/nanoFramework.System.Net.Http-client/packages.config
index cf9f9552..3e965dbe 100644
--- a/source/nanoFramework.System.Net.Http-client/packages.config
+++ b/source/nanoFramework.System.Net.Http-client/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.7.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.8.0" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.0.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net" version="1.6.1" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
diff --git a/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj b/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
index 7ffca0a7..3ebee0b3 100644
--- a/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
+++ b/source/nanoFramework.System.Net.Http-server/System.Net.Http-server.nfproj
@@ -44,7 +44,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.1.0\lib\nanoFramework.System.Text.dll">
@@ -146,8 +146,8 @@
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.0.1.5, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/source/nanoFramework.System.Net.Http-server/packages.config b/source/nanoFramework.System.Net.Http-server/packages.config
index cf9f9552..3e965dbe 100644
--- a/source/nanoFramework.System.Net.Http-server/packages.config
+++ b/source/nanoFramework.System.Net.Http-server/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.7.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.8.0" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.0.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net" version="1.6.1" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
diff --git a/source/nanoFramework.System.Net.Http.Client.nuspec b/source/nanoFramework.System.Net.Http.Client.nuspec
index fb5ea5b2..d7c68711 100644
--- a/source/nanoFramework.System.Net.Http.Client.nuspec
+++ b/source/nanoFramework.System.Net.Http.Client.nuspec
@@ -25,7 +25,7 @@ There is also a package with the server API only and another with the full API.
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.7.3" />
       <dependency id="nanoFramework.Runtime.Events" version="1.8.0" />
-      <dependency id="nanoFramework.System.Collections" version="1.0.1" />
+      <dependency id="nanoFramework.System.Collections" version="1.1.0" />
       <dependency id="nanoFramework.System.Text" version="1.1.0" />
       <dependency id="nanoFramework.System.Net" version="1.6.1" />
     </dependencies>
diff --git a/source/nanoFramework.System.Net.Http.Server.nuspec b/source/nanoFramework.System.Net.Http.Server.nuspec
index 1f39ebb8..7ba8f415 100644
--- a/source/nanoFramework.System.Net.Http.Server.nuspec
+++ b/source/nanoFramework.System.Net.Http.Server.nuspec
@@ -25,7 +25,7 @@ There is also a package with the client API only and another with the full API.
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.7.3" />
       <dependency id="nanoFramework.Runtime.Events" version="1.8.0" />
-      <dependency id="nanoFramework.System.Collections" version="1.0.1" />
+      <dependency id="nanoFramework.System.Collections" version="1.1.0" />
       <dependency id="nanoFramework.System.Text" version="1.1.0" />
       <dependency id="nanoFramework.System.Net" version="1.6.1" />
     </dependencies>
diff --git a/source/nanoFramework.System.Net.Http.nuspec b/source/nanoFramework.System.Net.Http.nuspec
index e64f9faf..91c4aeab 100644
--- a/source/nanoFramework.System.Net.Http.nuspec
+++ b/source/nanoFramework.System.Net.Http.nuspec
@@ -26,7 +26,7 @@ There are also two other packages with just the client API and just the server A
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.7.3" />
       <dependency id="nanoFramework.Runtime.Events" version="1.8.0" />
-      <dependency id="nanoFramework.System.Collections" version="1.0.1" />
+      <dependency id="nanoFramework.System.Collections" version="1.1.0" />
       <dependency id="nanoFramework.System.Text" version="1.1.0" />
       <dependency id="nanoFramework.System.Net" version="1.6.1" />
     </dependencies>
diff --git a/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj b/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
index d01f7e2d..3fa68702 100644
--- a/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
+++ b/source/nanoFramework.System.Net.Http/System.Net.Http.nfproj
@@ -44,7 +44,7 @@
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
-    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll">
+    <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll">
       <InProject>false</InProject>
     </NFMDP_PE_LoadHints>
     <NFMDP_PE_LoadHints Include="..\packages\nanoFramework.System.Text.1.1.0\lib\nanoFramework.System.Text.dll">
@@ -100,8 +100,8 @@
       <HintPath>..\packages\nanoFramework.Runtime.Events.1.8.0\lib\nanoFramework.Runtime.Events.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.0.1.5, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.0.1\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.1.0\lib\nanoFramework.System.Collections.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.1.0.2, Culture=neutral, PublicKeyToken=c07d481e9758c731">
diff --git a/source/nanoFramework.System.Net.Http/packages.config b/source/nanoFramework.System.Net.Http/packages.config
index cf9f9552..d46d4668 100644
--- a/source/nanoFramework.System.Net.Http/packages.config
+++ b/source/nanoFramework.System.Net.Http/packages.config
@@ -2,8 +2,8 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="1.7.3" targetFramework="netnanoframework10" />
   <package id="nanoFramework.Runtime.Events" version="1.8.0" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.System.Collections" version="1.0.1" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.System.Collections" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Net" version="1.6.1" targetFramework="netnanoframework10" />
   <package id="nanoFramework.System.Text" version="1.1.0" targetFramework="netnanoframework10" />
   <package id="Nerdbank.GitVersioning" version="3.1.91" developmentDependency="true" targetFramework="netnanoframework10" />
-</packages>
\ No newline at end of file
+</packages>