diff --git a/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj b/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
index 6154652..a33488a 100644
--- a/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
+++ b/nanoFramework.System.Text.Benchmark/nanoFramework.System.Text.Benchmark.nfproj
@@ -38,8 +38,8 @@
     <Reference Include="nanoFramework.Runtime.Native, Version=1.7.11.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.Runtime.Native.1.7.11\lib\nanoFramework.Runtime.Native.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.System.Collections, Version=1.5.67.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Collections.1.5.67\lib\nanoFramework.System.Collections.dll</HintPath>
+    <Reference Include="nanoFramework.System.Collections, Version=1.5.75.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Collections.1.5.75\lib\nanoFramework.System.Collections.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.System.Text, Version=1.3.42.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Text.1.3.42\lib\nanoFramework.System.Text.dll</HintPath>
diff --git a/nanoFramework.System.Text.Benchmark/packages.config b/nanoFramework.System.Text.Benchmark/packages.config
index b2e6920..7039bd9 100644
--- a/nanoFramework.System.Text.Benchmark/packages.config
+++ b/nanoFramework.System.Text.Benchmark/packages.config
@@ -4,7 +4,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Logging" version="1.1.161" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Native" version="1.7.11" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Collections" version="1.5.67" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Collections" version="1.5.75" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Diagnostics.Stopwatch" version="1.2.862" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
 </packages>
\ No newline at end of file
diff --git a/nanoFramework.System.Text.Benchmark/packages.lock.json b/nanoFramework.System.Text.Benchmark/packages.lock.json
index 5bb0f74..f4bc6a8 100644
--- a/nanoFramework.System.Text.Benchmark/packages.lock.json
+++ b/nanoFramework.System.Text.Benchmark/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.System.Collections": {
         "type": "Direct",
-        "requested": "[1.5.67, 1.5.67]",
-        "resolved": "1.5.67",
-        "contentHash": "MjSipUB70vrxjqTm1KfKTUqqjd0wbweiNyYFXONi0XClrH6HXsuX2lhDqXM8NWuYnWyYOqx8y20sXbvsH+4brg=="
+        "requested": "[1.5.75, 1.5.75]",
+        "resolved": "1.5.75",
+        "contentHash": "OiMpKo8RWbjZq1594YjdRnOGNN2aT4nowa+ET7scK0frGCux0a8LGaPkG56mmSfBCKzLlVs13LIlla3XLhXaMA=="
       },
       "nanoFramework.System.Diagnostics.Stopwatch": {
         "type": "Direct",