diff --git a/Common/DotGraphUtilities/DotGraph.cs b/Common/DotGraphUtilities/DotGraph.cs
index b78afc1..d82b277 100644
--- a/Common/DotGraphUtilities/DotGraph.cs
+++ b/Common/DotGraphUtilities/DotGraph.cs
@@ -18,7 +18,7 @@ public static class DotGraph
     {
         public static IDictionary<string, SortedSet<string>> LoadDependencyGraph(string targetFile)
         {
-            IDictionary<string, SortedSet<string>> result = new SortedDictionary<string, SortedSet<string>>();
+            IDictionary<string, SortedSet<string>> result = new SortedDictionary<string, SortedSet<string>>(StringComparer.InvariantCultureIgnoreCase);
 
             IEnumerable<string> validDigraphLines = ParseForValidDigraphLines(targetFile);
 
diff --git a/MsBuildProjectReferenceDependencyGraph/MSBPRDependencyGraph.cs b/MsBuildProjectReferenceDependencyGraph/MSBPRDependencyGraph.cs
index 0774091..2226039 100644
--- a/MsBuildProjectReferenceDependencyGraph/MSBPRDependencyGraph.cs
+++ b/MsBuildProjectReferenceDependencyGraph/MSBPRDependencyGraph.cs
@@ -6,6 +6,7 @@
 
 namespace MsBuildProjectReferenceDependencyGraph
 {
+    using System;
     using System.Collections.Concurrent;
     using System.Collections.Generic;
     using System.IO;
@@ -26,7 +27,7 @@ class MSBPRDependencyGraph
         internal static Dictionary<string, IEnumerable<string>> ResolveProjectReferenceDependencies(IEnumerable<string> targetProjects)
         {
             Stack<string> unresolvedProjects = new Stack<string>();
-            Dictionary<string, IEnumerable<string>> resolvedProjects = new Dictionary<string, IEnumerable<string>>();
+            Dictionary<string, IEnumerable<string>> resolvedProjects = new Dictionary<string, IEnumerable<string>>(StringComparer.InvariantCultureIgnoreCase);
 
             // Load up the initial projects to the stack
             foreach (string targetProject in targetProjects.Distinct())
@@ -279,7 +280,7 @@ internal static Dictionary<string, IEnumerable<string>> ResolveAssemblyReference
             );
 
             // Convert this into the Dictionary
-            Dictionary<string, IEnumerable<string>> result = new Dictionary<string, IEnumerable<string>>();
+            Dictionary<string, IEnumerable<string>> result = new Dictionary<string, IEnumerable<string>>(StringComparer.InvariantCultureIgnoreCase);
             foreach (KeyValuePair<string, IEnumerable<string>> kvp in resolvedAssemblyReferences)
             {
                 result.Add(kvp.Key, kvp.Value);
@@ -307,7 +308,7 @@ internal static Dictionary<string, IEnumerable<string>> ResolvePackageReferenceD
             );
 
             // Convert this into the Dictionary
-            Dictionary<string, IEnumerable<string>> result = new Dictionary<string, IEnumerable<string>>();
+            Dictionary<string, IEnumerable<string>> result = new Dictionary<string, IEnumerable<string>>(StringComparer.InvariantCultureIgnoreCase);
             foreach (KeyValuePair<string, IEnumerable<string>> kvp in resolvedPackageReferences)
             {
                 result.Add(kvp.Key, kvp.Value);
diff --git a/ProcessParallelAbility/ProcessParallelAbility/ParallelAbility.cs b/ProcessParallelAbility/ProcessParallelAbility/ParallelAbility.cs
index 068a432..5dfdb7a 100644
--- a/ProcessParallelAbility/ProcessParallelAbility/ParallelAbility.cs
+++ b/ProcessParallelAbility/ProcessParallelAbility/ParallelAbility.cs
@@ -6,6 +6,7 @@
 
 namespace ProcessParallelAbility
 {
+    using System;
     using System.Collections.Generic;
     using System.Linq;
 
@@ -40,7 +41,7 @@ internal static IDictionary<int, List<string>> ConvertParallelTreeToLevels(IDict
         /// <returns>A structure in which the Key is the project and the value is the depth within the given dependency tree.</returns>
         internal static IDictionary<string, int> ResolveParallelTree(IDictionary<string, SortedSet<string>> dependencyTree)
         {
-            IDictionary<string, int> parallelBuildTree = new Dictionary<string, int>();
+            IDictionary<string, int> parallelBuildTree = new Dictionary<string, int>(StringComparer.InvariantCultureIgnoreCase);
 
             foreach (KeyValuePair<string, SortedSet<string>> dotGraphEntry in dependencyTree)
             {